22 Decoration Ideas for 21st Birthday Party

Add a hilarious twist to 21st birthday decorations by strewing the venue with hundreds of pieces of confetti which all feature the birthday boy or girl’s smiling face – they’ll be horrified!

A 21st birthday is all about the bubbles, so carry the theme on with this pretty wall banner which features champagne bottles and glasses and can be personalized with their first name, too.

Kit out the venue with a complete set of rose gold themed 21st birthday decorations, which includes a 21 balloon, wine bottle and glass, bunting, fringe curtain, and lots more besides.

She may well never want to light this personalized 21st birthday candle as it’s so gorgeous, although the choice of delicious scents (including birthday cake), just might prove to be irresistible.

When you’re 21 the world is your oyster, so encourage them to look forward to this next stage in their life with excitement as they say ‘hello 21’ with these fabulous balloons.

Photos are much more fun when they’re accompanied by props, and these glittery ones can be customized to include any message or phrase you like, and come in a variety of colors.

These absolutely beautiful mason jar centerpieces can be ordered with or without lid bands, and would make delightful vases to place around the party venue, or filled with candy as party favors.

Their excitement about their latest birthday will be captured in this fun silver or gold foil balloon, which reads ‘yay 21’ and includes an optional pair of luscious red lips.

Forget subtle, if she wants the world to know it’s her 21st birthday she needs this fabulous and definitely not understated pin which can also be personalized with whatever message you like.

Beautiful and big without being ‘in your face’ this pink and gold ‘happy birthday’ bunting will make a superb backdrop for any 21st birthday celebrations, and measures a generous 2.5 meters long.

This banner might be simple but it sure does make a statement! Available in more than two dozen glitter colors, this wall hanging simply reads ‘legal AF’.

A party’s not a party without some balloons, and this pair of gigantic numbers – in gold, rose gold, or silver – are a stylish way to add 21 to any birthday celebration.

Available in multiples of six or twelve, these ‘sip sip hooray’ disposable cups come decorated with a birthday greeting in a choice of colors, and include shiny gold straws and close-fitting lids.

These stunning tall ombre candles will make a beautiful addition to their birthday cake, because if they have to blow out 21 of them, they might as well be gorgeous!

Leave the guests in absolutely no doubt as to how old the birthday girl is with this in your face banner which is sassy, saucy, and will look great in the photos.

Available in lengths of up to 15 feet, this delightful garland will adorn any venue with a rainbow of felt pom poms, or you can choose your colors to match the party theme.

Lovers of the leaf will really have a laugh when they see these dope straws which are graced with a glittery Mary Jane leaf – there are even other accessories available to match.

If they’re having cupcakes rather than one big birthday cake (or maybe they’re having both?), these sparkly 21 toppers will make a beautiful addition, and come with bows to finish them off.

A stunning centerpiece for any 21st birthday party, this 20 x 20 x 3cm number 21 will sparkle and shine under the lights, as it’s covered in beautiful rose gold glitter.

At 21 she’s legally old enough to drink, but even if she doesn’t want to she doesn’t have to miss out as this ginormous balloon is shaped just like a bottle of champagne.

They say the devil is in the detail, and while straws might be a minor part of 21st birthday decorations, these ‘classy AF’ straws are adorably naughty and the perfect finishing touch.

Whether their birthday is in the height of summer, or you want to add a sunshine vibe to a winter celebration, these DIY piñatas make the perfect 21st birthday decorations. With loads of ideas to copy, this blog shows you how to create bashable ice lollies, watermelons, pineapples and more.

This tutorial is so useful because it can be adapted to create any kind of backdrop for your party; Happy 21st, Congratulations, Party, or even just their name. Inexpensive and easy to make, all you will need is a white laminate sheet, a dry erase marker, Mod Podge, and some colorful confetti.

If you want to add a floral theme to the party décor, have a go at making a bunch of these pretty tissue paper flowers. They’re super easy to make, and all you will need is some tissue paper in the color scheme of your choice, floral wire, and scissors.

With a little patience and a lot of sequins you can create a stunning wall letter garland that will make a brilliant backdrop for photos. Choose sequin trim in the color of your choice, and glue it to cardboard letters that spell out the word or words you want – simple but super effective.

A 21st birthday is the perfect excuse to go mad with flowers, and if you have access to the celebration venue, follow the hints and tips here to flower bomb her space. Choose her favorite blooms and colors, and then add them to every available surface, along with a few homemade extras.

Add a tropical twist to the party by hanging lots of these miniature fruit garlands around the room. Easy to make and so much fun to do, all you need are sheets of colored foam, acrylic paints, a black marker, and a few tools, along with glue to attach them to twine.

This is the perfect craft to do while watching TV, as it is time consuming but also a lot of fun. Inspired by childhood, this beautiful ombre wall hanging is made using cardstock in the colors of your choice, which is turned into paperchains before being hung on a curtain rod or long dowel.