These 2000s-Inspired Halloween Costume Ideas Are Peak Nostalgia

1Miss CongenialityRotten TomatoesShe's beauty and she's grace. She's a federal agent with one heck of a personality. Recreate Sandra Bullock's iconic 2000s role by channeling your inner beauty queen, but don't forget the combat boots.SHOP STRAPLESS DRESS2Mia Thermopolis from The Princess DiariesGetty Images / Maximum Film / Alamy Stock Photo//Getty ImagesPresenting Mia Thermopolis, Princess of Genovia. This film ruled Y2K, and copying this recognizable look from the movie poster is sure to be appreciated by many this Halloween.SHOP OVAL SUNGLASSESAdvertisement - Continue Reading Below3Jenna Rink from 13 Going on 30Courtesy IMDbJenna Rink had everyone wanting to be 30, flirty, and thriving. And this colorful dress from the memorable dance scene has been living in our heads rent free ever since.SHOP MINI DRESS4JunoRodin Eckenroth//Getty ImagesThis 2000s comedy makes for a great couples costume. Plus, the look is so recognizable that there's a good chance everyone will recognize your costume.SHOP STRIPED TEEAdvertisement - Continue Reading Below5Kim PossibleTibrina Hobson//Getty ImagesCall me, beep me, if you wanna reach me. This redhead Disney Channel character is easy to nail as long as you've got the right hair color, cargo pants, and black crop top.SHOP GREEN CARGO PANTS6Mean GirlsParamount PicturesThe sheer amount of iconic costumes and one liners that came from this movie is wild. Whether you want to gather up the gals to recreate a Wednesday for the Plastics or go solo as a mouse (duh), this 2000s film has a costume for everyone.SHOP "A LITTLE BIT DRAMATIC" TANKAdvertisement - Continue Reading Below7Napoleon DynamiteLeon Neal//Getty ImagesThis is arguably the easiest costume on the list. Here's what you'll need to recreate the 2000s movie's main character: a curly wig, glasses, and ofc, a shirt that says "Vote For Pedro."SHOP "VOTE FOR PEDRO" TEE8J.Lo at the 2000 Grammy AwardsScott Gries//Getty ImagesWhen people are talking about the 2000s and referring to "the dress," they mean this plunging Versace look J.Lo wore to the Grammys. It's so famous, people still freaked out over it almost 20 years later when she wore a similar version again.SHOP SIMILAR DRESSAdvertisement - Continue Reading Below9Lady Gaga's First Red Carpet AppearanceLady GagaWhen Lady Gaga first entered the scene in 2008, no one really knew what to make of her. There's no shortage of iconic looks that she has graced us with in the years since, but if making a meat costume feels like a little too much work for you, then go with this v early-era Gaga look: a red bodysuit, matching gloves, nude fishnet or lace tights, and oversized sunnies. (Don't forget a long blonde wig with bangs, too!)SHOP HOODED BODYSUIT10Josie and the PussycatsColumbia TriStar//Getty ImagesThe 2000s were all about scarf tops, flashy low-rise pants, and animal print. Clearly, Josie and the Pussycats were all about those three things, too. A fun and nostalgic trio costume that never gets old: dress up as the members of this fictional girl band.SHOP FELINE EARSAdvertisement - Continue Reading Below11The Cheetah GirlsDisneySpeaking of girl bands and animal print! If you watched the Disney Channel around, oh, 2003, you and your friends probably dressed up as The Cheetah Girls at some point. So why not revisit the good times and do it again?SHOP CHEETAH PRINT HEADBANDS12Paris Hilton at her 21st birthday bashDave Benett//Getty ImagesAdvertisement - Continue Reading Below13The Lady Marmalade Music VideoKMazur//Getty ImagesLil' Kim, Pink, Mya, and Christina Aguilera are all musical and style icons in their own right, but this music video from all four of them together was beyond iconic—and it makes for a pretty memorable group costume idea, too.SHOP CHRISTINA AGUILERA'S CORSET14Lara Croft from Tomb RaiderSunset Boulevard//Getty ImagesNo, no, no, I'm not talking about the 2018 version—I'm throwing it all the way back to 2001 when Angelina Jolie played the badass archaeologist and inspired costumes for years to come.SHOP UTILITY GARTERAdvertisement - Continue Reading Below15Isis from Bring It OnUniversal StudiosGo as one of the Clovers cheerleaders or get a group together and dress up as the whole squad. This look is so gold, Gabrielle Union even brought it back last year for her own costume. Just brace yourself for the dozens of movie quotes you'll hear all night long.SHOP CLOVERS UNIFORM16Mariah Carey in a Juicy TracksuitJun Sato//Getty ImagesThe 2000s can pretty much be summed up in two words: Velour. Tracksuit. If you can't get your hands on one from Juicy Couture, any version would get the job done. Just make sure to pair it with gradient-lens sunglasses, long necklaces, and heels, because why not!SHOP TRACKSUITAdvertisement - Continue Reading Below17Nicole Richie Wearing a Denim Miniskirt and UggsAmy Graves//Getty ImagesRaise your hand if you've ever worn a miniskirt with Ugg boots. The fact that most people that were alive in the early 2000s could probably raise their hand for that makes this a pretty epic costume to recreate.SHOP CLASSIC SHORT UGGS18Avril LavigneKMazur//Getty ImagesAvril Lavigne was the reason many of us who grew up in the '00s learned how to tie a tie. (Just me? Cool.) Dust off your old striped one and wear it with a plain white tank top, loose cargo pants, and sk8r shoes, and you're basically Avril.SHOP UTILITY PANTSAdvertisement - Continue Reading Below19Destiny's ChildDave Benett//Getty ImagesBeyoncé, Kelly, and Michelle had a lot of memorable moments together, but the looks from the "Survivor" era were *chef's kiss.* After you and your two friends are done arguing over which member you get to be, dress up in coordinating camo print and boots.SHOP CAMO TOP AND MINI SKIRT SET20Queen Akasha in Queen of the DamnedWarner Brothers and Village RoadshowAaliyah had some of the most iconic fashion moments in the '90s, but the costume she wore to portray Queen Akasha in this early 2000s vampire movie deserves a moment, too.SHOP STATEMENT NECKLACEBrooke Shunatona is a contributing writer for Cosmopolitan.com.Chaise Sanders is a NYC-based writer with a knack for all things lifestyle, beauty, entertainment, and style. Her work has graced the pages of Cosmopolitan, Country Living, InStyle, and more. When she's not busy crafting words, you can find her on Instagram roaming the streets of New York City, hunting down the best food spots, hidden gems, and deals.