Birthdays are like seasons—some are welcomed with open arms, and others may take a little warming up to. When you were a kid, it was so easy to pick a favorite theme or place to host your party. Have everyone come in their favorite pajamas or athleisure and bring their go-to board game from way back when, like Dream Phone or Guess Who?

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What's more Instagrammable than turning tropical fruits into cocktail glasses? Whether it's pineapple skin or watermelon rind, no one will be able to resist snapping a few shots — especially if it looks anything like this option from Ambitious Kitchen. People love unicorns — yes, even full-grown adults. The bright, happy colors are just begging to be photographed, whether you whip up some eye-catching desserts — like this cotton candy unicorn party parfait — or put up some magical decor. If your guests are spending a good deal of time at the table, you better make it photo-worthy. Get some inspo from this setting captured by Megan Welker Photography , which couldn't be more perfect for the 'gram. Anything rainbow is instantly Insta-worthy, which is exactly why you should serve these colorful champagne floats from The Bewitchin' Kitchen. Since they combine alcohol and sorbet, they're always a hit. Mini pool float drink holders instantly become the stars of any get-together.
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One of the hardest parts about planning a party, though, is coming up with the perfect theme in the first place—which is why we turned to the experts. Below are 51 different theme party ideas guaranteed to make any soiree the talk of the town. Food could be cookies in the shapes of insignias, the colors that are common with superheroes, etc. Have everyone dress up as individuals who retired in Boca. We held the event at a car museum and had access to a secret vault of vintage collection cars for the cocktail hour followed by a seated dinner in the museums Porsche exhibit. It was such a great conversation starter for guests. We kept with the theme from beginning to end — from the invites to the limited edition hot wheel cars that I did for place cards! The Bash suggests adding a seafood-theme food truck like The Shucking Truck to your beach party. Guests notice and appreciate the small details more so than if you spend a ton of money to have an extra layer on the cake.
This post may contain affiliate links. Read our full disclosure policy. Here are some of our favorite adult party ideas and themes that can be used for almost any occasion! As a matter of fact, there are over 60 adult party themes listed below! After you pick your theme, add a party game or two.