Celebrating 21birthday  is one of the most exciting and most awaited milestones every girl and boy wants to reach. This is when you can officially say goodbye to all your fake ids to enter a bar—time to celebrate this moment with some exciting activities with your friends and family. 

We present you the top 10 exciting list of 21st birthday party ideas to make your day unique and memorable. 

The costume party concept is one of the easy and classic parties where your guests love to come with their creative costume designs. With this party, you can have a wonderful and memorable party. 

Another exciting theme base party is a masquerade, where your guests need to wear masks. Be a detective or wear a mask with rhinestones and sharpies. 

You are now 21, so there is no restriction to designing a beer-themed party. You can arrange this party at home or head out to a bar to introduce the birthday boy or girl to some new brews. 

If you can't visit Las Vegas, bring Las Vegas to you. Arrange a minibar with all your favorite stiff drinks, set up some classic casino games, like Blackjack, Poker, and a buffet full of casino food. Enjoy the night with the fullest sound. 

You are now 21, and it's the real-time to have fun with your friends and hang out with your girlfriends. Arrange a girl's night and hang out with them or go for a night ride. 

As you are officially 21, you don't need any fake ids to enter a bar. So, search for some nightclub in your area, grab a bunch of friends with you and make some noise. 

How could a 21st birthday be a 21st without having a glass of shot? Enjoy the 1st legal shot on your official day and make this day memorable for a lifetime. 

Make a creative 3-tier cake stand and top it with a birthday cake topper; use as much alcohol or different drinks as you can place on top of the cake. Your guest will pick their favorite one from the tower. 

The creative decoration can be doubled for the newly legal birthday girl or boy. Fill a basket with some bottles of your favorite drinks or alcohol, and present it somewhere. It will make the birthday boy or girl happier. 

Why are you searching for various event organisers for a birthday party? With BNJ, you can get fantastic birthday decorations. Creating a jello shot tower is pretty straightforward. You need to fill the mold with the jello shot mixture and set them in the fridge, and place them on the tower when they are ready. It's always a crowd-pleaser. 

These are some of the fantastic and most popular 21st birthday celebration ideas. Make some memories with your friends and family on this special day. And don’t forget to capture the moments. Feel free to check out our budget and contact us for more innovative adult birthday party ideas.