1Visit a Lipstick Lab
lesalpes//Getty Images Start your new decade with a new signature shade after visiting a lipstick lab (most major cities have one!), where you can craft the perfect lippie for your coloring. You should also absolutely bring your friends and make it a party with pre-drinks.
2Write Yourself a Letter
JGI/Tom Grill//Getty Images Party for one! Grab 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.
3Do Something That Scares the Sh*t Out of You
Graiki//Getty Images Prove to yourself that you're still young, 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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4Buy Yourself the Bag
Grosescu Alberto Mihai//Getty Images You 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.
5Book a Cool Getaway
Thomas Barwick//Getty Images Get your best pals 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.
6Throw a 13 Going On 30-Themed Party
Busà Photography//Getty Images If the bday babe 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" bumpin' on the speakers. Get a themed card. Dress in the iconic lewks. It'll be a night to remember!
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7Have a Slumber Party
Rob Lewine//Getty Images Throw 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, like this silky set.
8Throw a "Dirty Thirty" Party
Smile//Getty Images Ah, the power of a good rhyme (lol). Deck 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.
9Make Trendy Jewelry
Maria Dobrica / 500px//Getty Images Get you and some pals a couple of jewelry-making kits so you can DIY your own beaded necklaces, bracelets, and maybe even those phone straps that are all over Instagram.
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10Host a '90s Throwback Party
Giuseppe Lombardo//Getty Images Part 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.
11Take a Mixology Class
David Fuentes Prieto//Getty Images Vodka 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 slinky, sexy cocktails.
12Host a Film Screening
South_agency//Getty Images Turn your apartment into a movie theater with this under-$100 projector (I mean, you could add in a screen, too, if you wanna get fancy). Now all you'll need is to dim the lights, grab some snacks, and throw on WandaVision.
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13Go to Vegas
PictureNet//Getty Images If 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 $$$ to gamble with, anyways.
14Book a Spa Day
Catherine Falls Commercial//Getty Images I 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. Or, you know the drill, get your own spa kit.
15Play Retro Board Games
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16Have a Meme-Worthy Party
FG Trade//Getty Images If 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.
17Go Abroad
Thomas Barwick//Getty Images Treat yourself to a dream vacay abroad! The continent is up to you. Oh, and take a seriously luxe carry-on along with ya (trust me, it'll make traveling so much easier).
18Go Glamping
Marina Cavusoglu//Getty Images Book 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.
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19Have a Roaring *30s* Party
Massonstock//Getty Images 20Book a Dreamy Staycation
Alistair Berg//Getty Images Sign 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.
Christen A. Johnson is the lifestyle editor at Cosmopolitan where she covers health and wellness, money, career, pets, home, food, travel and more for print and digital. She also dabbles in culture writing, and wrote Cosmo’s first-ever digital cover story. Before joining the magazine, Christen was a lifestyle features reporter at the Chicago Tribune. Several of her health and style stories made the paper's front page. When Christen isn’t digging through antique stores, she's likely drooling over home renos on HGTV, sharing her latest therapy revelation, redoing old workouts from her college basketball days, or trying to perfect her homemade buttermilk biscuit recipe. Follow her on Insta for BTS ~ editor life ~ tingz!
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