Happy birthday to my favorite sister – just don’t tell the others!
It’s your birthday, sis! Can we just pretend I got you a gift and call it a day?
As your older brother, it’s my job to remind you that you’re still not as cool as me. Happy birthday, anyway!
You’re not just my sister, you’re my unpaid therapist, personal chef, and occasional punching bag. Happy birthday to the best sister a guy could ask for!
I’m sorry I can’t be there to celebrate your birthday in person. I’ll make it up to you by not singing “Happy Birthday” over the phone.
Happy birthday to the sibling who always had to sit in the backseat, even when we weren’t in the car.
You’re not getting older, you’re just getting closer to the age where you start saying “back in my day” all the time. Happy birthday!
I’m pretty sure we’re not related by blood, because you’re way too cool to be my sister. But happy birthday anyway, sis!
Happy birthday to the sister who never stole my toys, but always managed to make me think she did.
On your special day, I just want you to know that I’m still the favorite child – and you’re a close second. Happy birthday, sis!
Happy birthday, sis! You’re the only person who’s allowed to annoy me and still get away with it.
Congratulations on surviving another year of my jokes and puns. Here’s to many more! Happy birthday, sis!
Happy birthday to my beautiful, funny, and intelligent sister. Wait, did I say sister? I meant me.
I would’ve gotten you a present, but you know I’m too broke to afford anything other than this birthday message. Happy birthday, sis!
I wish I could be there to celebrate your birthday with you, but I’m too busy being awesome. Happy birthday, little sis!
Happy birthday to my amazing sister! Just remember, every candle on your cake is another year I’ve been able to torment you.
As your older brother, it’s my duty to remind you that you’re not getting any younger – but at least you’re still better looking than me. Happy birthday!
Happy birthday to the sister who always stole my food and clothes, but never stole my heart.
Congratulations on making it through another year without killing me. Happy birthday, sis!
Happy birthday, sis! I was going to get you a present, but then I remembered that time you stole my action figures.
Congratulations on another trip around the sun, sis! I hope your day is as awesome as I am.
You’re not just my sister, you’re also my partner in crime. Happy birthday to my favorite accomplice!
Happy birthday to the person who taught me how to share and also how to steal. Love you, sis!
I know I can be a pain in the butt sometimes, but just remember that you’re the bigger pain because you came first. Happy birthday, sis!
You may be getting older, but you’re not getting wiser. I know this because you still let me be your brother. Happy birthday, sis!
Happy birthday, sis! Thanks for always being there to make fun of our crazy family with me.
Congratulations on another year of being related to me, sis. I know it’s not easy, but you’re doing a great job!
Happy birthday to my favorite sister, who always knows how to make me laugh – even when I’m trying to be serious.
You’re not just my sister, you’re my built-in best friend. Happy birthday to the person who knows all my secrets!
Happy birthday to my sister, who taught me that you can never have too much glitter or too many unicorns.
Happy birthday, sis! You may be getting older, but at least you’re not getting any smarter than me.
You know what they say – the older the sister, the more embarrassing the stories. Happy birthday, sis!
Congratulations on surviving another year of my dad jokes and puns. Here’s to many more! Happy birthday, sis!
Happy birthday to my sister, who’s always been there to make me look better by comparison.
I hope your birthday is as fabulous as you are, sis. And by fabulous, I mean weird and slightly awkward.
Happy birthday to my sister, who has always been the biggest pain in my neck – and also the biggest pain in my butt.
You may be my sister, but you’re also my best friend. Which means you’re stuck with me forever. Happy birthday, sis!
Happy birthday to the person who still thinks I’m cool – even though I’m clearly not. Love you, sis!
Happy birthday, sis! Here’s to another year of me pretending to listen to your problems while secretly playing video games.
Happy birthday, sis! I hope your day is as fabulous as you are – but not too fabulous, because then you’ll make me look bad.
Congratulations on another year of being the second favorite child in the family. Happy birthday, sis!
You know you’re getting old when the candles on your cake are worth more than the cake itself. Happy birthday, sis!
Happy birthday to the person who always keeps me on my toes – mostly because she’s always hiding my shoes.
You may be my sister, but you’re also my favorite person to annoy. Happy birthday, sis!
Happy birthday to my favorite sister! I’m so glad we don’t have to share a bedroom anymore, but I miss stealing your snacks.
Congratulations on another year of being my sister. It’s not always easy, but I appreciate you anyway. Happy birthday!
Happy birthday to the person who always knows how to make me laugh – even when I’m in a bad mood. Love you, sis!
You’re not just my sister, you’re also my partner in crime. Thanks for always being there to cause trouble with me. Happy birthday!
I hope your birthday is as fun and fabulous as you are, sis. But if it’s not, just remember that you can blame it on our parents. Happy birthday!
Happy birthday, sis! You’re not just a sister to me, you’re also my unpaid therapist and personal chef. Thanks for putting up with me!
Congratulations on surviving another year with me as your brother. I know it’s not always easy, but you make it look effortless. Happy birthday!
Happy birthday to my favorite sister! You’re like a fine wine – you get better with age, but you also make me want to drink more.
You may be getting older, but you’re not getting any wiser. I know this because you still think it’s a good idea to hang out with me. Happy birthday, sis!
Happy birthday to the person who knows all my secrets and still loves me anyway. You’re the best sister a brother could ask for!
Congratulations on another year of being awesome, sis. You’re like a superhero, but without the superpowers – and with more wine. Happy birthday!
Happy birthday to my sister, who’s not just my sibling, but also my partner in crime. Thanks for always being there to help me stir up trouble.
You may be my sister, but you’re also my favorite person to compete with. May the best sibling win! Happy birthday!
Happy birthday to the person who always knows how to make me smile, even when I don’t feel like it. Love you, sis!
Congratulations on another year of being related to me, sis. I know it’s not easy, but you make it look effortless. Happy birthday!
Happy birthday to my amazing sister! You’re not just my sibling, you’re also my partner in crime and my favorite person to blame things on.
Congratulations on another year of being the most fabulous person I know – except for me, of course. Happy birthday, sis!
Happy birthday, sis! I hope your day is as amazing as you are, but not so amazing that it makes me look bad.
You may be my sister, but you’re also my favorite person to tease. I promise I’ll take it easy on you today. Happy birthday!
Happy birthday to the person who always knows how to make me laugh, even when I’m feeling grumpy. You’re the best, sis!
Congratulations on surviving another year of being related to me, sis. It’s not always easy, but you make it look effortless. Happy birthday!
Happy birthday to my sister, who’s not just my sibling, but also my favorite person to binge-watch TV shows with. Thanks for always being there to share the remote!
You may be my sister, but you’re also my favorite person to steal food from. Sorry not sorry. Happy birthday!
Happy birthday to the person who knows all my embarrassing childhood stories and still loves me anyway. You’re the best, sis!
Congratulations on another year of being my sister, sis. I know it’s not always easy, but you make it look effortless. Have an amazing day!
Happy birthday to the sister who always knows how to make me laugh – even when I’m feeling grumpy. Thanks for being my personal comedian!
You’re not just my sister, you’re also my partner in crime – and I have a feeling we’re going to get into some serious trouble this year. Happy birthday!
Happy birthday, sis! You’re like a fine wine – you get better with age, but you also make me want to drink more.
Congratulations on another year of being my sister. It’s not always easy, but someone’s got to do it. Happy birthday!
Happy birthday to the person who always knows how to push my buttons – and then blame me for getting upset. Love you, sis!
You’re not just my sister, you’re also my favorite person to blame when things go wrong. Thanks for taking one for the team. Happy birthday!
Happy birthday to the person who always knows how to make me smile, even when I’m feeling down. You’re the best sister a brother could ask for!
You may be my sister, but you’re also my arch-nemesis – and I wouldn’t have it any other way. Happy birthday, sis!
Congratulations on another year of being my partner in crime, sis. I can’t wait to see what kind of trouble we’ll get into this year. Happy birthday!
Happy birthday to the person who always knows how to make me laugh, even when I don’t want to. You’re the best sister a brother could ask for!
Happy birthday, sis! Remember, age is just a number – but in your case, it’s a really big number.
Congratulations on another year of not killing me, sis. It’s a tough job, but somebody’s gotta do it. Happy birthday!
Happy birthday to the person who’s always been my partner in crime – even when we were kids and our “crimes” were just stealing each other’s toys.
You may be getting older, but you’re still not as cool as me. Sorry, sis, it’s just the way it is. Happy birthday anyway!
Happy birthday to the person who always makes me laugh – even when I’m trying to be serious. You’re the best sister a brother could ask for!
Congratulations on another year of being the only person in the family who can tolerate me for more than five minutes. Happy birthday, sis!
Happy birthday to my favorite sister! You’re like a unicorn – magical, rare, and a little bit weird. Love you!
You’re not just my sister, you’re also my built-in best friend. Thanks for always being there to listen to my problems and make fun of me. Happy birthday!
Happy birthday to the person who knows all my flaws and loves me anyway. You’re the best sister a brother could ask for!
Congratulations on another year of putting up with me, sis. I know it’s not always easy, but you make it look effortless. Happy birthday!
Happy birthday to my partner in crime, my confidant, and my biggest fan. You’re the best sister a brother could ask for – and you’re not bad at Scrabble, either!
Congratulations on another year of being the better-looking sibling. Don’t worry, I’ll catch up eventually. Happy birthday, sis!
Happy birthday to the only person who truly understands how crazy our family can be. Thanks for being there for me – and for always letting me have the last slice of pizza.
You may be getting older, but you’re not getting any wiser. I know this because you still think it’s a good idea to hang out with me. Happy birthday, sis!
Happy birthday to my favorite sister! You’re like a fine wine – you get better with age, but you also make me want to drink more.
Congratulations on another year of being related to me, sis. It’s not always easy, but you make it look effortless. Happy birthday!
Happy birthday to the person who always knows how to make me laugh – even when I’m in a bad mood. Love you, sis!
Happy birthday to the only person who knows all my secrets and still loves me anyway. Thanks for always having my back, sis!
You may be my sister, but you’re also my favorite person to annoy. Thanks for putting up with me all these years. Happy birthday!
Happy birthday to my partner in crime, my co-conspirator, and my favorite person to hang out with. Thanks for always making life more fun, sis!
Happy birthday to my sister, who always makes me feel better about myself by being just a little bit weirder.
You’re the only person I know who can simultaneously drive me crazy and make me laugh. I guess that’s what sisters are for. Happy birthday!
Congratulations on another year of being the most sarcastic member of our family. You make us all look bad. Happy birthday, sis!
Happy birthday to the only person who can make me feel simultaneously loved and annoyed. You’re a rare breed, sis!
You’re not just my sister – you’re my built-in best friend and partner in crime. Thanks for always being there for me, and for always knowing the best time to embarrass me in front of my friends. Happy birthday!
Happy birthday to my sister, who taught me everything I know about being awesome (and annoying).
You’re like a superhero, sis – but instead of a cape, you have a never-ending supply of witty comebacks. Happy birthday to my favorite sass master!
Happy birthday to the one person who has always been able to make me laugh, even in the darkest of times. Thanks for being my light, sis!
You may be my little sister, but you’re also the boss of me. I guess I just can’t resist your charm. Happy birthday!
Happy birthday to my sister, who has always known how to make me smile (even when I don’t want to). Thanks for being my rock, my support, and my constant source of entertainment!
Happy birthday to my sister, who always manages to make our family gatherings just a little bit more chaotic (in a good way).
You may be my little sister, but you’ve always been big on personality. Happy birthday to the one and only!
Happy birthday to the one person who knows all of my embarrassing childhood secrets – and who I trust to keep them that way. Thanks for being a great sister!
Happy birthday to the sister who can always make me laugh, even when I’m feeling down. Thanks for being a constant source of joy in my life.
You may have driven me crazy over the years, sis, but I wouldn’t be who I am today without you. Happy birthday to the best sister a brother could ask for!
Happy birthday to the one person who can always bring a smile to my face – even if that smile is sometimes accompanied by an eye roll.
You’re not just my sister – you’re my partner in crime, my confidante, and my favorite person to tease. Thanks for being awesome, and happy birthday!
Happy birthday to the one person who can always keep up with my quick wit and sarcastic comments. You’re a true match for me, sis!
You’re not just my sister – you’re my favorite person to text memes and silly jokes to. Thanks for always making me laugh, and happy birthday!
Happy birthday to the sister who always knows how to push my buttons (in a good way). Thanks for keeping life interesting!
Happy birthday, sis! As you get older, just remember – you’re still younger than me!
To my favorite partner in crime: Happy birthday! I can’t wait to see what shenanigans we get up to this year.
Happy birthday to the only person I know who can go from sweet and innocent to crazy and unpredictable in 0.5 seconds flat. Love you, sis!
You know you’re getting old when the candles cost more than the cake. But I guess that means you’re priceless! Happy birthday, sis.
Happy birthday to my sister, who is always a hot mess, but somehow manages to make it look cute.
Here’s to another year of being completely opposite but totally compatible. Happy birthday to my polar opposite sister!
Happy birthday to the one person I know I can always count on to have my back (and to help me bury the evidence if I need it).
It’s your birthday, sis! That means you’re entitled to an entire day of indulging in all your vices – like eating cake for breakfast and staying up way too late.
Happy birthday to my sister, who has a smile that lights up a room and a laugh that can make even the grumpiest person crack a smile.
To my favorite pain in the butt: Happy birthday, sis! I wouldn’t want anyone else annoying me all the time.
Happy birthday to my favorite pain in the butt! You’re not just my sister, you’re my partner in crime and my go-to for a good laugh.
I don’t know how you manage to keep getting older without getting any wiser, but here we are. Happy birthday, sis!
You’re the one person who knows all of my secrets and all of my flaws, and somehow still loves me anyway. I guess that’s just the power of sisterhood. Happy birthday!
You’re like a fine wine, sis – you just keep getting better with age. Or maybe that’s just the wine talking. Happy birthday!
Happy birthday to my sister, who always knows how to make me laugh – whether it’s with a well-timed joke or just her general clumsiness.
You’re the peanut butter to my jelly, the Bert to my Ernie, the Batman to my Robin… and, of course, the annoying sister to my long-suffering brother. Happy birthday!
Happy birthday to the one person who has always been able to make me see the bright side of things – even when I don’t want to. Thanks for being my shining star, sis!
You’re not just my sister – you’re my lifelong partner in crime. Thanks for always being up for a good laugh (and a little bit of mischief). Happy birthday!
Happy birthday to my sister, who is not only smart, beautiful, and kind, but also incredibly lucky to have a brother like me.
You may be my sister, but you’re also my best friend and my biggest supporter. Thanks for always having my back, sis. Happy birthday!