This blog post is about 21st birthday decorations!

Your 21st birthday is definitely a memorable celebration for years to come! It’s THE AGE where you can drink and go to bars legally 😉
(FAKE ID who?)
If you clicked on this post, I am sure you are in the same mindset as I am, and you are planning your own/your friend’s EPIC 21st birthday party!
In this post, you will find the perfect 21st birthday decorations for different themed parties, that you can be sure your friends will talk about for years to come!
Let’s get started!
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21ST BIRTHDAY DECORATIONS
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Pink Cowgirl Party 21st Birthday Decorations
21ST BIRTHDAY INVITATIONS
Starting off with the first impression of your party – the party invitations!
I LOVE these customizable cowgirl themed party invites from Etsy.
You can fill in your information, and either text them to your friends and guests or print them out and give them by hand!
DECORATE WITH A BALLOON ARCH
Now, let’s start decorating! This cowgirl themed balloon arch is the perfect way to decorate the entrance to your party!
Hang Up Some Cowgirl Balloons!
What’s a themed party without beautiful themed balloons?!
I love this cowgirl balloons pack! They come in a pack of 2,4, and 6 balloons, and they will make the perfect addition to your cowgirl 21st birthday party.
Hang Up a Party Banner
Above your food/desserts table, you can hang a festive party banner! These ones are so cute, and perfect for your cowgirl 21st birthday party!
SET UP a Photo Booth
These days you can’t have a birthday party without Instagrammable photos! That’s why a photo booth is definitely a must 😉
You can get this pink backdrop, and some cute cowgirl themed photo props, and make sure your friends are having their best time taking cute photos!
Get Cute Dinnerware For Your Party
Complete your party theme with a cute disposable dinnerware set to serve the food!
These sets comes with everything you’ll need – from plates, napkins, cups, and even plastic silverware! (in the pink set).
Decorate Your Cups With Drink Tags
One of my favorite addition to any party or event, is cute drink tags!
You can get these custom number drink tags (with your number – 21) on my Etsy shop, they also come in light pink, and use them to decorate all of your cups!
Just make sure to order these in advance, because it does take around 14-20 days to arrive.
Don’t Forget Cute Straws!
Drink legally in style with these cute drinking straws! They are perfect to complete your party theme, and they are so cute!
Offer Cowgirl Boots Shots
Get drunk with these adorable cowgirl boots shot glasses! They come in a pack of 20 shot glasses, and they are so so cute!
Decorate Your Drinks!
Spice up your alcohol bottles and drinks with these adorable cowgirl bottle decorations, and spice up your cocktails with these cute cowgirl picks!
Get a Custom 21 Sign For Photos!
Another 21st birthday decorations must-have is a custom 21 birthday sign! Perfect for all the Insta photos you’ll take and post later!
It’s completely customizable, and is perfect for taking beautiful birthday girl photos at your party 🙂
Cowgirl Hats For Your Friends!
You can’t have a cowgirl themed birthday party without beautiful cowgirl hats!
Complete your party with these beautiful cowgirl hats for your friends, and get the CUTEST Instagram pics!
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Cowgirl Hat For The Birthday Girl
If you want to stand out of your friends, and enjoy being the birthday girl, you can get yourself a different cowgirl hat and stand out!
Give Out Party Favors!
If you want to spoil your friends a little bit more at your party, consider getting them cute cowgirl themed party favors like these cowgirl scrunchies or cute cowgirl themed tattoos!
Send Cute Themed Party Invitations
Your party invitation is the first impression your friends will get about your party, so you gotta make it cute!
I found these beautiful custom digital party invitations from Etsy, that you can customize with your info and text the final result to your friends/print them out and hand them to your friends.
Set Up a Balloon Arch
Setting up a balloon arch at the entrance to your party can definitely be an impressive decor piece to introduce your party theme to your guests!
I love this silver-disco balloon arch from Amazon!
Hang Up Balloons!
You can’t not decorate your place with beautiful balloons for your party!
I love these disco ball balloons, and you can decorate even more with these silver balloons set.
SET UP a Photo Booth
Make sure your friends (and yours) photos will be Instagrammable AF with the cutest photo booth setup!
Also, don’t forget to spice up your photos with these disco party photo props!
Custom 21st Birthday Sign
The perfect photo prop for your birthday girl photos is definitely this custom 21 birthday sign from Etsy!
Hang Up a Party Banner
Hang up a cute party banner on the wall, or above your food/desserts table!
Decorate Your Table With a Table Runner
Decorate your food table with a cute disco table runner or this beautiful tablecloth!
Decorate Your Cupcakes With Toppers
If you are serving cupcakes at your party, decorate them with cute disco ball cupcake toppers!
Display Your Cupcakes
Decorate your food table and display your beautiful and delicious cupcakes on this cute disco cupcakes stand!
Disco Themed Tableware
You can’t throw a disco themed party without disco themed tableware!
I love these cute disco tableware sets from Amazon!
Decorate Your Cups With Drink Tags
One of my favorite addition to any party or event, is cute drink tags!
You can get these custom number drink tags (with your number – 21) on my Etsy shop, they also come in silver, and use them to decorate all of your cups!
Just make sure to order these in advance, because it does take around 14-20 days to arrive.
Decorate Your Table With Disco Lights
Next on our disco party table decor ideas are these LED disco ball lights! Imagine how cute they will be lit up on your food table?? So pretty!
Get Cute Drinking Options For Your Friends
Upgrade your party with these cute drinking options for your friends!
You can get these disco ball cups on my Etsy shop! If you are having a smaller party, you can get a customized disco ball cup for each friend to take home after.
Or, if you are having a larger party and don’t want to customize every cup, you can get the empty cups option.
Anddd, if you are not into disco ball cups, but do like these drink pouches, you should definitely check out this 15pcs drink pouches pack for your party!
Keep Your Alcohol Cool With an Ice Bucket
Keep your alcohol cool and fresh with an ice bucket! But even more important – with a cute disco ball ice bucket!
Disco Ball Straws!
Decorate your drinks with these cute disco ball straws! They are perfect for any drink, and they are so cute!
Use Disco Ball Cocktail Picks
Next up in this 21st birthday decorations post are these disco ball cocktail picks!
They are perfect for the delicious cocktails and drinks you’ll serve at your party.
Use a Disco Ball Strobe Lamp
If you really want to complete your disco birthday party, this disco ball strobe lamp will definitely bring in the disco party vibes and complete your party!
It has 7 modes, comes with a remote control, and is perfect for house parties.
GET a Disco Ball Pinata
You can never go wrong with a fun pinata moment at your party! I think it’s even 10 times funnier when everyone is drunk haha
I found this pretty disco ball pinata on Amazon. It comes with a pinata stick, a blindfold mask, confetti, and the beautiful pinata itself!
Cute Disco Party Tattoos
Decorate yourself and your friends 😉 with these cute disco party temporary tattoos! They are so cute!
MAKE A BEAUTIFUL CAKE!
Last but not least for your 21st disco birthday party is making/getting yourself a disco themed cake!
Rose Gold Party 21st Birthday Decorations
Rose Gold 21st Birthday Invitations
Invite your friends to your memorable 21st birthday party with these beautiful 21st birthday party invitations!
They are both digital invitations, that you can customize with your name and info, and either text it to your friends or physically hand them over.
Set Up a Balloon Arch
Decorate the entrance to your place/party or a different area at your party with this beautiful rose gold balloon arch!
Decorate With Rose Gold Balloons
Bring in more festive vibes to your party by decorating your place with more beautiful rose gold balloons!
Set Up a Photo Booth Area
Make sure your friends (and yours) Instagram pics are cute AF by setting up the perfect photo booth area with a beautiful rose gold backdrop!
Spice Up Your Pics With Photo Props
Spice up your photo booth pics with cute rose gold themed photo props!
Get a Custom 21 Birthday Sign
Andddd for the birthday girl, you can’t go wrong with a beautiful custom 21st birthday sign!
It’s perfect for the best 21st birthday girl photos!
Wear a Birthday Girl Sash
Make the most out of your birthday girl era and stand out with a cute birthday girl sash!
I also found this cute birthday queen sash set that comes with a tiara.
Hang Up a Party Banner
I love hanging party banners above the food/desserts table, but wherever you decide to hang it up, you can’t go wrong with an awesome 21st birthday party banner!
Decorate The Table With A Tablecloth
Decorate your food table with a sparkly tablecloth or a beautiful rose gold table runner!
Decorate With Rose Gold Rhinestones
Another SUPER CUTE way to decorate your food/desserts table, is by spreading these rose gold rhinestones around the table!
Use A Cute Tableware Set
Complete the food/serving experience with a beautiful rose gold tableware set!
I also love this rose gold 21 birthday set that comes with plates, cups, straws, napkins, and even a matching tablecloth.
Decorate Your Cups With Drink Tags
One of my favorite addition to any party or event, is cute drink tags!
You can get these custom number drink tags (with your number – 21) on my Etsy shop, they also come in rose gold, and use them to decorate all of your cups!
Just make sure to order these in advance, because it does take around 14-20 days to arrive.
Use Cute Alcohol Cups Options
If you are having a smaller party with your close friends, or you want to spoil your friends with cute drink cups, you are going to LOVE these custom disco ball cups or cute personalized drink pouches!
Take Shots With Cute Rose Gold Cups!
You can’t forget shot glasses for your 21st birthday party! These disposable rose gold shot glasses are so cute!
Use Rose Gold Cocktail Picks
Upgrade your cocktails with these rose gold cocktail picks from Amazon!
Mickey Mouse Ears Party Favors
If it’s related to your theme, and you want to spoil your friends and make your party and photos extra cute with these custom Mickey Mouse ears headbands!
Make a Beautiful Rose Gold Cake!
Your 21st birthday cake is definitely one of the most important decisions to make!
Make sure you get a beautiful rose gold themed cake!
Use 21 Candles
Decorate your 21st birthday cake with rose gold 21 birthday candles!
Black 21st Birthday Decorations
Send Out Cute Party Invitations
Starting off with your 21st birthday party invitations! I love these custom birthday party invites from Etsy.
You can customize them with your name and info, and text it to your friends or hand them physically!
Set Up a Balloon Arch
Moving on to setting up a black balloons arch!
You can either set it up in the entrance to your party, and welcome people inside through it.
Or, you can set it up near your food table/on a blank wall and make it a cute photo spot.
Decorate Your Party With Balloons
Moving on to must-have 21st birthday decorations – black balloons!
And also, you can decorate with these LED balloons that will look SO GOOD at night!
Set Up a Photo Booth
Next is setting up a photo booth!
Make sure you have the perfect spot for yours and your friends Insta pics with a black backdrop and spice up your friends photos with photo props!
Custom 21 Birthday Sign
Make sure you get the most Instagrammable pics with this custom 21 birthday sign from Etsy! Perfect for the birthday girl!
Hang Up a Party Banner
Hang up a cute party banner on the wall, on your “photos area” wall, or above your food/desserts table (which is my favorite spot ;))
Use a Black Tablecloth/Table Runner
Decorate your food table with a black tablecloth or a black table runner!
LED Marquee Number Lights Centerpiece
A nice table centerpiece to consider, that will look so cute on your party table, is definitely this LED marquee number lights sign!
21 Birthday Shot Stand
Another cool addition to your party bar/table is a 21 birthday shot stand!
I found this on Etsy, and it looks so cute! It’s the perfect way to display all of your bottles during the party in the CUTEST way.
Black Themed Tableware
Complete your food table with a black themed tableware set!
Decorate Your Cups With Drink Tags
One of my favorite addition to any party or event, is cute drink tags!
You can get these custom number drink tags (with your number – 21) on my Etsy shop, and use them to decorate all of your cups!
Just make sure to order these in advance, because it does take around 14-20 days to arrive.
Get Cute Disposable Shot Glasses
Take care of yours and your friends drinking experience, by getting these cute shot glasses!
Custom Face Photo Cocktail Drink Stirrer
These custom face photo cocktail drink stirrers will make the cutestttt addition to your party cocktails!
Decorate Your Cakes With Toppers
If you feel like it, you can decorate and upgrade your cake/cupcakes with cute cake toppers and this cake topper from Amazon!
Get a Black 21st Birthday Cake!
How pretty is this black 21st birthday heart cake?? SO PRETTY!
Add 21 Candles to Your Cake
Last but not least is definitely cake number candles for your delicious cake!
And that’s it for today! I hope you found some beautiful 21st birthday party decorations and ideas 🙂
This blog post was about 21st birthday decorations!