Wanna Know a Birthday Secret? Funny Birthday Card for Sister

You’re the Best! Happy Birthday Card for Sister

Warm your sister's heart by sending her this loving birthday card for her big day. It showcases a perfect sparkling cupcake and words that will bring her joy. This special birthday card expresses that your sister makes you happy and that she is the best! Birthdays are an excuse to tell someone how you feel about them, so now is your chance! Send this fantastic birthday card her way so she can have an exceptional day!

You're Worth Celebrating! Happy Birthday Wishes Card for Sister

This is a sweet birthday card for a woman you know is worth celebrating every single day. On her birthday, make sure your sister knows how you feel about her. This birthday card features an abundance of balloons in hues of blue, purple, pink and red set on a pink starburst background.

Need More Glasses? Funny Birthday Card for Sister

Rows and rows of cocktails will help you toast your sister on her birthday, while the words above will leave her laughing! These are the kind of glasses she wants to see as she turns another year older, and they may make her forget about the other kind. What a wonderful way to wish her well in your own special-and funny-way!

Active Dog Happy Birthday Card for Sister

He's running! He's jumping! He's here to wish your sister a happy birthday! No one can resist an adorable dog, and this one really helps convey the birthday cheer. For your sister celebrating a birthday, this birthday card is a must-have. It's fun, it's sweet, and still has a kind and loving sentiment behind it.

Chocolate Covered Birthday Cake Card

The festive birthday cake on this card brings with it your most heartfelt wishes for your amazing sister! The bright yellow background creates a warm glow, adding to the delight. Someone so special to you deserves to be remembered on this important day, and whether you're there celebrating with her or thinking of her from miles away, this sweet birthday card is sure to make her feel like a star!

Loving Cats Happy Birthday Card for Sister

If you and your sister are two peas in a pod, this is the birthday card you've been searching for! These precious kittens are obviously best friends, just like you and your sis. It's a can't miss birthday card, for sure. Bonus: Calling her your favorite sister is sure to earn you some brownie points!

To my Sweet Sister - Funny Birthday Card

What's the best way to celebrate you sister's birthday? With a colorful birthday card that's a "hole" lot of fun! This giggle-worthy greeting has all the elements for making her day happy: an adorable little girl, a bright balloon & a pink sprinkled donut. But it all comes together with the message below, which lets her know that even though she's another year older, she'll always be young at heart!

Vintage Funny Birthday Card for Sister

If your sister's got a great sense of humor, she'll definitely appreciate this funny birthday card! An old black-and-white photo of a baby ready to blow out the candles on the cake adds a nostalgic, charming touch, while the message will have her cracking up. This is the perfect choice for a "vintage" sister celebrating a milestone birthday she may (or may not) be looking forward to!

You are Cool at Any Age! Funny Birthday Card for Sister

Get out the party hats...it's time to celebrate a special sister on her birthday with this "purr-fectly" funny birthday card she'll love! These kitties can't believe how old she's turning because she's "one cool cat at any age!" Whether it's coming from one sibling or a bunch, you can bet this hysterical birthday greeting will have her laughing!

Love You Sis! Happy Birthday Card

This bright, colorful birthday card is sure to make your sister's eyes light up with delight as she celebrates her birthday! Cheerful balloons float above your sweet words, letting her know you think she's the absolute best and how much you love being her sister and her friend. Whether you see each other every day, or are celebrating her from miles away, this thoughtful birthday card is sure to touch her heart.

You Got All From Me! Funny Birthday Card for Sister

These two cuties are all ready to smile for the camera, complete with lots of party props, making this the perfect funny birthday card to help celebrate your sister's birthday! There's a playful, tongue-in-cheek tone that's perfect for an older sibling to send to her little sis, no matter how old she's turning this year.

You are Fun & Fabulous! Funny Birthday Card for Sister

A party pooch is all dolled up to help celebrate your sister's birthday in style! This adorable funny birthday card will bring a smile to her face while reminding her that it doesn't matter how many candles are on the cake as long as you know how "fun & fabulous" you are!