Ever since "drivers license" dropped back in 2021, Olivia Rodrigo has been taking over the damn world, and we are 100 percent into it. But it's not just her music that has everyone obsessed (though all the tracks on Sour are undeniably bops). The Disney darling is also a total fashun queen, with a Y2K-meets-pop-punk style that's totally her own. If you're looking for Olivia Rodrigo costume ideas for Halloween, the possibilities are pretty much endless...but we've rounded up her most iconic outfits (and a whole bunch of less-expensive dupes) to get ya started.

With Halloween costumes inspired by everything from her music videos, to her award show appearances, to her immaculate street style, we've got all the best Olivia Rodrigo costumes to rock this year, and you better believe they include a whole lot of plaid, platforms, and pigtails. And if you're looking for more pop culture costume ideas, fret not, 'cause we've got you covered there, too.

"good 4 u" Olivia Rodrigo Costume

good 4 u olivia rodrigo costume
YouTube

Kicking things off with the most iconic and recognizable Olivia Rodrigo lewk of all: her cheerleading ensemble from the "good 4 u" music video, which she accessorized with elbow-length black gloves and mismatched barrettes.

Cheer Uniform
OurLore Cheer Uniform
Faux Leather Gloves
SUFEINI Faux Leather Gloves
Now 14% Off
Flower Hair Clips
Goody Flower Hair Clips
White Sneaker
The Proper Label White Sneaker

2023 Billboard Awards Olivia Rodrigo Costume

olivia rodrigo billboard awards costume
Amy Sussman//Getty Images

At this year's Billboard Women in Music Awards, Olivia took on the horse girl trend with a pair of low-rise trousers from Chloé's Spring/Summer 2001 runway collection—and while it'll be pretty tricky to hunt a vintage pair down, you can always get your own inexpensive tan slacks and make a dupe.

Bronze Killa Bandeau
Cultnaked Bronze Killa Bandeau
Flared Dress Pants
H&M Flared Dress Pants
Square Toe Stilletos
DREAM PAIRS Square Toe Stilletos
Basic Bitch Nail Polish
Emilie Heathe Basic Bitch Nail Polish

"bad idea right?" Olivia Rodrigo Costume

olivia rodrigo bad idea right costume
YouTube

The perfect Halloween house party 'fit: the fuzzy blue sweater, sequin skirt, and Chuck Taylor All Star sneaks Olivia wore in the "bad idea right?" music video.

Long Sleeve Fuzzy Sweater
Los Angeles Apparel Long Sleeve Fuzzy Sweater
Sequin Mini Skirt
SweatyRocks Sequin Mini Skirt
Large Red Heart Pendant
Clayton Jewelry Labs Large Red Heart Pendant
Chuck Taylor All Star
Converse Chuck Taylor All Star

2022 Met Gala Oliva Rodrigo Costume

2022 met gala olivia rodrigo
Kevin Mazur//Getty Images

Liv's look for the 2022 Met Gala was an ethereal Y2K-inspired dream, and while her Versace gown isn't available (or, ya know, affordable), you can rock a similar sparkly dress instead and accessorize with butterfly clips.

Off-the-Shoulder Evening Gown
OSMUAL Off-the-Shoulder Evening Gown
Sheer Opera Gloves
Aniler Sheer Opera Gloves
Now 27% Off
Platform Ankle Strap Sandals
vivianly Platform Ankle Strap Sandals
Butterfly Hair Barrettes
Bartosi Butterfly Hair Barrettes

"brutal" Olivia Rodrigo Costume

brutal music video olivia rodrigo
YouTube

Okay, Olivia has about half-a-dozen outfits in the "brutal" music video that you could potentially copy, but her grudge schoolgirl look is def a very solid choice, complete with a black tattoo choker, obv.

Red Sleeveless Crop Top
EFAN Red Sleeveless Crop Top
Now 10% Off
Goth Punk Skirt
hairuisi Goth Punk Skirt
Red Newsboy Cap
Brcus Red Newsboy Cap
Choker Necklace
CatAndMogi Choker Necklace

'Sour Prom' Olivia Rodrigo Costume

sour prom olivia rodrigo
YouTube

Hi, remember Olivia's photoshoot for her Sour Prom concert film (and all the Courtney Love drama that ensued)? You can have your prom girl moment with a long pink dress, combat boots, and lots of smeared eye makeup.

Gaia Dress
ASTR the Label Gaia Dress
Shriver Hi Boots
Dr. Martens Shriver Hi Boots
Now 32% Off
Rhinestone Choker Necklace
Zealmer Rhinestone Choker Necklace
Silver Crystal Tiara
Didder Silver Crystal Tiara

"vampire" Olivia Rodrigo Costume

vampire olivia rodrigo costume
YouTube

If you—like Liv—are currently in your vampire era, then you've gotta recreate her gauzy mermaid-style mini dress and red lip lewk from the "vampire" music video (complete with fake blood if you really wanna go for it).

Strapless Ruffles Dress
Sawden Strapless Ruffles Dress
Venus Sandal
Larroude Venus Sandal
Now 70% Off
Hi-Rise Matte Lipstick
Meloway Hi-Rise Matte Lipstick
Stage Blood
Mehron Makeup Stage Blood

19th Birthday Olivia Rodrigo Costume

19th birthday olivia rodrigo
@oliviarodrigo/Instagram

Hi, anyone else still obsessed with the outfit Olivia wore for her 19th birthday celebration?? To mark the occasion, our girl dressed up like a '90s cowgirl with an all-pink ensemble by No Dress...and while her exact midi skirt and camisole set have already sold out, we've got a less expensive alternative for ya. Don't forget your cowgirl hat!

Satin Lightly Lined Corset Top
Victoria's Secret Pink Satin Lightly Lined Corset Top
Satin Bias Mini Skirt
Topshop Satin Bias Mini Skirt
Tulle Shrug
Only Hearts Tulle Shrug
Vogel Platform Heels
Princess Polly Vogel Platform Heels

2023 Grammy Awards Olivia Rodrigo Costume

2023 grammy awards olivia rodrigo costume
Axelle/Bauer-Griffin//Getty Images

Another award show, another head-turning 'fit from Liv. If you're not looking to splurge on her sheer black Miu Miu slip dress, we've got a $20 dupe for you to wear instead. You're welcome!

Sheer Mesh Maxi Dress
Caviotess Sheer Mesh Maxi Dress
Cotton Jersey Boy Short
Skims Cotton Jersey Boy Short
Black Obsidian Necklace
COAI Black Obsidian Necklace
Chunky Block Platform Heels
DREAM PAIRS Chunky Block Platform Heels
Now 20% Off

Prom Party Olivia Rodrigo Costume

prom party olivia rodrigo
@oliviarodrigo/Instagram

For her Sour Prom concert film premiere, Olivia sported this darling Betsey Johnson number (which is now sadly sold out) and out-of-this-world platforms along with a funky hairdo, and as long as you can walk in those heels, this outfit would be so fun to wear for Halloween.

Pink Floral Slip Dress
VKEKIEO Pink Floral Slip Dress
Pearlyn Platform Sandal
Naturalizer Pearlyn Platform Sandal
Nora Pearl Choker
Cult Gaia Nora Pearl Choker
Pink Rose Wrist Corsage
Abbie Home Pink Rose Wrist Corsage

Sour Album Olivia Rodrigo Costume

sour album olivia rodrigo
Geffen Records

Otherwise known as the lewk that started it all. With a fuzzy tank, plaid pants, and a sheet of puffy stickers, you'll look *just* like Olivia on the cover of her debut album.

Plaid Flare Casual Pants
Halara Plaid Flare Casual Pants
Layered Silver Necklaces
Turandoss Layered Silver Necklaces
Puffy Reusable Stickers
MoCeYa Puffy Reusable Stickers
Headshot of Corinne Sullivan

Corinne Sullivan is an Editor at Cosmopolitan, where she covers a variety of beats, including lifestyle, entertainment, relationships, shopping, and more. She can tell you everything you need to know about the love lives of A-listers, the coziest bedsheets, and the sex toys actually worth your $$$. She is also the author of the 2018 novel Indecent. Follow her on Instagram for cute pics of her pup and bébé.