21st Birthday Cards For Best Friend

Finding the perfect birthday card for your best friend's 21st birthday is a special moment. As they transition into adulthood, show them that you care with a thoughtful message in their birthday card. Whether you choose a funny card or a sentimental one, make sure to express how much their friendship means to you and create a memory that they'll cherish for years to come. With so many options available online or in stores, you're sure to find the perfect 21st birthday card for your best friend.

woman celebrating birthday

Most Popular Cards

Funny Birthday Let's Get Smashed Avocado Friends Card Funny Birthday Let's Get Smashed Avocado Friends Card

$4.02

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SPECIAL BIRTHDAY FOR MY *BEST FRIEND* CARD SPECIAL BIRTHDAY FOR MY *BEST FRIEND* CARD

$4.42

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Modern birthday purple 10 photo collage grid card Modern birthday purple 10 photo collage grid card

$3.97

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Modern Birthday | Fun Photo Lovely Stylish Cute Card Modern Birthday | Fun Photo Lovely Stylish Cute Card

$3.97

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Funny Birthday Humor Card For Friend Funny Birthday Humor Card For Friend

$4.12

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Modern Birthday | Photo Minimalist Love Fun Friend Card Modern Birthday | Photo Minimalist Love Fun Friend Card

$3.97

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Happy Birthday Dear Friend Vegetables Peas Card Happy Birthday Dear Friend Vegetables Peas Card

$4.17

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Modern simple birthday teal 10 photo collage grid card Modern simple birthday teal 10 photo collage grid card

$3.97

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Eleven Photo Collage Best Friend Happy Birthday Card Eleven Photo Collage Best Friend Happy Birthday Card

$2.49

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Yellow Rose Friend Birthday Card Yellow Rose Friend Birthday Card

$3.77

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"FRIEND TO FRIEND" U MAKE DAYS SUNNY BIRTHDAY CARD

$4.42

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Best Friend Birthday Card Best Friend Birthday Card

$3.77

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THE MANY REASONS **WE ARE BEST FRIENDS** BIRTHDAY CARD THE MANY REASONS **WE ARE BEST FRIENDS** BIRTHDAY CARD

$4.42

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Red Let's Celebrate Birthday Hat Card Red Let's Celebrate Birthday Hat Card

$4.17

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Neon pink simple birthday 10 photo collage grid card Neon pink simple birthday 10 photo collage grid card

$3.97

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Pink Monogram Photo Collage Happy Birthday Card Pink Monogram Photo Collage Happy Birthday Card

$4.12

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Happy 21st Birthday Wishes for Friend

Turning 21 is a big milestone in anyone's life, and what better way to celebrate than with a heartfelt greeting card for your best friend? If you're struggling to find the right words to write, fear not! Here are five examples of birthday wishes that are sure to make your best friend feel loved and appreciated:

1. Happy 21st birthday to my partner in crime! I'm so grateful to have you by my side through thick and thin. Here's to making many more unforgettable memories together.

2. Cheers to a new year of life and all the opportunities that come with it! May your 21st birthday be filled with love, laughter, and lots of cake.

3. On this special day, I want you to know how much you mean to me. You're not just my best friend, you're family. Happy 21st birthday, and here's to a lifetime of happiness!

4. Wishing you all the best as you turn 21! May this year bring you endless joy, success, and growth. I'm excited to see all the incredible things you'll achieve.

5. Happy birthday to my ride or die! Thank you for being there for me through thick and thin. Here's to many more years of friendship, love, and adventure.

Happy 21st Birthday Sayings for Friend