It's your 18th birthday!!! i don't know about you, but i think 18 is one of hte most important birthdays to celebrate. This post shows you 18 insanely fun 18th birthday party ideas you can recreate!! also sharing ideas for: 18th birthday party theme ideas, 18th birthday party ideas at home, decorating ideas for an 18th birthday party, and more fun things to do for an 18th birthdayyy.