1Write Yourself a Letter
JGI/Tom Grill//Getty ImagesGrab your cutest stationery and pen a letter to your future self, and don't be afraid to get all up in your feels about entering a new decade. You can address the letter to yourself at 35, 40, 50, or any other age—just make sure you appreciate where you are now and think about your goals down the road.
2Do Something That Scares You
Graiki//Getty ImagesProve to yourself that you're still cool and daring despite your new age group by doing something super adventurous and maybe even a little scary. Think: skydiving, rock climbing, bungee jumping, or even just going to therapy.
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3Buy Yourself the Bag
Grosescu Alberto Mihai//Getty ImagesYou know, that bag you've been eyeing for all of your twenties? Splurge on yourself. You deserve it. Especially if you're still obsessed with it after all these years.
4Book a Cool Getaway
Thomas Barwick//Getty ImagesGet your best friends together and book a stay at a cool rental. Bonus points if it's somewhere you've always wanted to go, like maybe this Joshua Tree VRBO.
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5Throw a 13 Going On 30-Themed Party
Busà Photography//Getty ImagesIf the birthday girl is "30, flirty, and thriving," then you absolutely must throw a party inspired by the iconic 2004 film. We're talking glitter, Y2K fashion, and "Thriller" going off on the speakers. Get a themed card. Dress in the iconic looks. It'll be a night to remember!
6Have a Slumber Party
Rob Lewine//Getty ImagesThrow it back to the sleepover parties of yore and host a grown-up one of your own. Eat snacks, watch movies, sip on cocktails—whatever you do, just make sure you're doing it in a chic set of jammies.
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7Throw a "Dirty Thirty" Party
Smile//Getty ImagesDeck yourself out in punny balloons or simply pressure everyone into a few too many shots. There's no reason not to get messy one last time.
8Make Trendy Jewelry
Maria Dobrica / 500px//Getty ImagesGet you and some pals a couple of jewelry-making kits so you can DIY your own beaded necklaces, bracelets, or phone straps. You could also grab some charms to make an accessory for your bags!
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9Host a '90s Throwback Party
Giuseppe Lombardo//Getty ImagesPart of turning 30 is getting sentimental about your past, so break out your chokers, butterfly hair clips, and jelly sandals, and don't forget to feed your Tamagotchi. It's time to host the '90s throwback party of your dreams.
10Take a Mixology Class
David Fuentes Prieto//Getty ImagesVodka sodas may have been your jam in your twenties, but it's officially time to level up. Book a real-deal mixology class with your best girlfriends, and emerge anew with a whole roster of go-to sexy cocktails.
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11Host a Film Screening
South_agency//Getty ImagesTurn your apartment into a movie theater with a screen and projector. Now all you'll need is to dim the lights, grab some snacks, and throw on your favorite flick.
12Go to Vegas
PictureNet//Getty ImagesIf you opted out for your 21st birthday, senior week, or any other time in your twenties, you'll want to get in on the Vegas experience now. Chances are 30-year-old you has more cash to gamble with, anyway.
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13Book a Spa Day
Catherine Falls Commercial//Getty ImagesI don't need to tell you that you deserve it. Stack a couple of spa services, set your OOO reply, and spend an entire day pampering yourself to prepare for the next decade.
14Play Retro Board Games
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15Have a Meme-Worthy Party
FG Trade//Getty ImagesIf there's one thing all millennials love, it's a good meme. So make that the theme! You could even kick it up a notch and ask everyone to come dressed as their fave internet icon.
16Go Abroad
Thomas Barwick//Getty ImagesTreat yourself to a dream vacay abroad! The continent is up to you. Oh, and take a seriously luxe carry-on along with you (trust me, it'll make traveling so much easier).
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17Go Glamping
Marina Cavusoglu//Getty ImagesBook a woodsy cabin or a beach yurt and lean into your secret wanderlust vibe and get away for a restful but glam few days. Just imagine the Insta content. At-home alternative: Buy a big ol' tent.
18Have a Roaring *30s* Party
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19Book a Dreamy Staycation
Alistair Berg//Getty ImagesSign off without going anywhere with a hotel staycation. Cancel all your plans for a full 24 hours and settle in for a night of robes, room service, sparkling wine, and of course, a poolside photoshoot.
20Host a Grown-Up Tea Party
Tim Macpherson//Getty ImagesIf alcohol's not really your thing (or if you just really love finger sandwiches), why not host a cute tea party? And if your birthday happens to fall on a warm, sunny day, then a garden party—with this cute tea cup set—is a must.
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