21st Birthday Invitations

If you're planning a 21st birthday party, you're in luck. There are plenty of options for invitations, from the traditional to the creative to the interactive. Here are some of our favorites.

Bokeh Confetti Birthday Invitation, none, Black, 5x7 Flat, Pearl Shimmer Cardstock, Rounded, Black

Starting at $4 $3.87

A stylish black birthday invitation with a scallop trim, printed on pearl shimmer cardstock.

Pros: Beautiful appearance, High quality, Easy to design, Quick delivery, Elegant and classy design

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Headline Highlight Birthday Invitation, White, 5x7 Flat, Matte, Signature Smooth Cardstock, Square, White

Starting at $3.43

A stylish white birthday invitation with rounded edges, perfect for adding your favorite photos and event details.

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Cascading Glimmer Birthday Invitation, White, Antique Gold Glitter, Matte, Signature Smooth Cardstock, Rounded, White

Starting at $5.43 $5.42

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Sip Sip Hooray Birthday Invitation, Grey, Matte, Signature Smooth Cardstock, Rounded, Charcoal

Starting at $3.71 $3.70

A stylish grey birthday invitation with scallop trim and space for favorite photos and event details.

Pros: design, ease of use, compliments received

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Vintage Scalloped Frame Birthday Invitation, Beige, Matte, Signature Smooth Cardstock, Square, Tan

Starting at $3.43

A stylish beige birthday invitation with a vintage scalloped frame design, made from pearl shimmer cardstock.

Pros: High quality, Unique designs, Affordable, Easy to use, Vintage feel

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Upload Your Own Design Birthday Invitation, White, Pearl Shimmer Cardstock, Square, White

Starting at $3.72 $3.60

A stylish birthday invitation on pearl shimmer cardstock with customizable photos and event details.

Pros: Fast shipping and turn-around time, Excellent customer service, Easy to use and order, High quality paper and printing, Great design and customization options

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Striped Party Birthday Invitation, Black, Pearl Shimmer Cardstock, Square, Black

Starting at $4.07 $3.95

A stylish black birthday invitation with pearl shimmer cardstock and rounded trim, perfect for adding photos and event details....

Pros: High quality, Clear pictures, Easy to use, Great design, Fun and stylish

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Floral Birthday Girl Birthday Invitation, Grey, Luxe Double-Thick Cardstock, Square, Charcoal

Starting at $5.42 $4.62

A stylish grey birthday invitation with rounded trim, perfect for celebrating another year of fun.

Pros: Fast delivery, Stylish design, High-quality card stock, Clear and vibrant printing, Easy customization

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Blushing Birthday Birthday Invitation, Pink, 5x7 Flat, Pearl Shimmer Cardstock, Square, Dusk Pink

Starting at $3.72 $3.60

A stylish pink birthday invitation with rounded edges, made from pearl shimmer cardstock.

Pros: Impressive photo and picture options, Excellent customer service, Quick delivery and accurate results, Beautiful color and style, Great quality and design

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Party Dots Birthday Invitation, Black, Signature Smooth Cardstock, Rounded, Shadow Box

Starting at $3.60 $3.59

A stylish black birthday invitation with pearl shimmer cardstock and space for favorite photos.

Pros: cute design, beautiful design, fast shipping

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What A Year Boy Birthday Invitation, Blue, 100% Recycled Cardstock , Rounded, Majorca

Starting at $4.51 $4.32

A stylish blue birthday invitation with pearl shimmer cardstock and customizable photos and event details.

Pros: quick, great format, worked perfect

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Watercolor Festivities Birthday Invitation, White, 100% Recycled Cardstock , Rounded, White

Starting at $4.16 $3.97

A stylish white birthday invitation on standard smooth cardstock, perfect for adding photos and event details.

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Cupcake Party Birthday Invitation, Grey, Pearl Shimmer Cardstock, Rounded, Charcoal

Starting at $3.89 $3.76

A stylish grey birthday invitation on signature smooth cardstock, perfect for adding photos and event details.

Pros: product quality, perfect match, shape

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Adorable Rainbow Birthday Invitation, Gray, 5x7 Flat, Luxe Double-Thick Cardstock, Square, Gray

Starting at $5.42 $4.62

A stylish gray birthday invitation with a rainbow design, 5x7 size, and matte finish.

Pros: cuteness, quality, cute design

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Cocktail Cheers Birthday Invitation, Black, 5x7 Flat, Luxe Double-Thick Cardstock, Square, Black

Starting at $5.42 $4.62

A stylish black birthday invitation with scallop trim and pearl shimmer cardstock, customizable with photos and event details....

Pros: easy to use, good invitation, invitation design

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Floral One Birthday Invitation, Beige, 5x7 Flat, Pearl Shimmer Cardstock, Rounded, Latte

Starting at $4 $3.87

A stylish beige birthday invitation with pearl shimmer cardstock and ticket trim, perfect for adding photos and event details....

Pros: easy to assemble, perfect picture, nice paper

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Elated Elegance Birthday Invitation, Black, 5x7 Flat, Luxe Double-Thick Cardstock, Square, Black

Starting at $5.42 $4.62

A black 5x7 birthday invitation with elegant design elements, printed on signature smooth cardstock with ticket trim.

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Brilliant One Birthday Invitation, White, 5x7 Flat, Pearl Shimmer Cardstock, Rounded, White

Starting at $4 $3.87

A stylish white birthday invitation with scallop trim, perfect for adding photos and event details.

Pros: photo quality, beautiful, meets expectations

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Bold Party Birthday Invitation, White, 5x7 Flat, Matte, Signature Smooth Cardstock, Rounded, White

Starting at $3.71 $3.70

A stylish white birthday invitation with rounded trim and customizable photos and event details.

Pros: easy to use, perfect card stock, beautiful print

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Captivating Confetti Birthday Invitation, White, 5x7 Flat, Standard Smooth Cardstock, Rounded, White

Starting at $3.34 $3.33

A captivating birthday invitation with a white design, 5x7 size, and rounded trim, featuring faux foil and glitter elements....

Pros: perfect invitations, loved invitation, positive feedback from invitees

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Floral Cheer Birthday Invitation, Pink, 5x7 Flat, Pearl Shimmer Cardstock, Square, Bloom

Starting at $3.72 $3.60

A stylish pink birthday invitation with rounded edges, featuring your favorite photos and event details.

Pros: awesome, beautiful design, clear photo printing

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Celebrate Birthday Girl Birthday Invitation, White, 5x7 Flat, Matte, Signature Smooth Cardstock, Rounded, White

Starting at $3.71 $3.70

A stylish white birthday invitation with scallop trim, perfect for celebrating a birthday girl.

Pros: cute design, easy to use customization tool, affordable price

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Floating Festivities Birthday Invitation, Green, 5x7 Flat, Pearl Shimmer Cardstock, Square, Sea Breeze

Starting at $3.72 $3.60

A green 5x7 birthday invitation with a pearl shimmer cardstock and rounded trim, designed to look like foil or glitter.

Pros: cute design, great quality, versatile use

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Cold One Birthday Invitation, Purple, 5x7 Flat, 100% Recycled Cardstock , Square, Purple

Starting at $3.88 $3.70

A purple birthday invitation with a faux foil or glitter design, printed on smooth cardstock.

Pros: easy to send, quick design

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21st Birthday Invitations

Turning 21 is a milestone that’s often celebrated with unforgettable gatherings, laughter, and the excitement of adulthood’s next chapter. As September brings its crisp air and the first hints of fall, it’s the perfect backdrop for planning a 21st birthday celebration that feels both personal and momentous. Whether you’re organizing a cozy backyard barbecue as the leaves start to change or envisioning a lively evening with friends in a favorite local spot, the right invitation sets the tone for the entire event. Invitations for a 21st birthday aren’t just pieces of paper or digital messages—they’re the first glimpse your guests get into the spirit of your celebration. They can reflect your unique style, hint at a theme, or simply capture the thrill of turning 21. When choosing invitations, consider how the design, color palette, and wording can echo the personality of the birthday honoree. For those who love autumn, think about incorporating seasonal motifs like golden leaves, rich burgundies, or even subtle metallic accents that shimmer like the promise of a night out. If the birthday falls closer to the end of summer, bright hues and playful patterns can help keep the party vibe light and energetic.

Selecting the perfect 21st birthday invitation goes beyond just aesthetics—it’s about creating a keepsake that will be cherished long after the celebration ends. Many people save their milestone birthday invitations as mementos, tucking them into photo albums or memory boxes alongside snapshots from the big night. For the guest of honor, receiving a thoughtfully designed invitation can make the occasion feel all the more special, while guests appreciate the attention to detail that helps them get excited and prepared for the festivities. When shopping for invitations, think about the scale of your event and the guest list. Smaller, intimate gatherings might call for invitations with a personal touch, such as handwritten notes or custom photos, while larger parties could benefit from bold, eye-catching designs that stand out in a crowded mailbox. Don’t forget to consider practical details—like including RSVP information, dress codes, or directions to the venue—to ensure your guests have everything they need to join in the fun. And for those seeking something truly one-of-a-kind, there’s a wealth of inspiration available in collections dedicated to Unique Birthday Invitations, where you can find options that break from tradition and make your celebration unforgettable.

Invitations for a 21st birthday aren’t limited to party planners or the birthday individual themselves. Friends and family members often use them as a thoughtful way to surprise someone with a party or to coordinate group gatherings, especially when the guest of honor is away at college or living in a new city. These invitations can also double as creative gifts—imagine presenting a beautifully designed invitation alongside a favorite bottle of wine or a set of personalized glasses, tying the celebration together with a personal touch. As you prepare for this once-in-a-lifetime birthday, let your invitations become an extension of the excitement and anticipation that surrounds turning 21. Whether you’re drawn to classic elegance, modern minimalism, or whimsical designs that capture the joy of the moment, the right invitation will help you gather your favorite people for a celebration that’s as memorable as the milestone itself.