Who's ready to Wango Tango?!
Some of music's most widely-adored artists came together Saturday in Los Angeles to celebrate the annual festival put on by KIIS-FM. Aaron Carter and Noah Cyrus got the party started during the event's Daytime Village, only to be followed up by showstopping headliners like Katy Perry, Maroon 5 and Backstreet Boys.
There's plenty of other celeb sightings to check out (Hello, Camila Cabello and Drake Bell!), but don't take our word for it. Scroll down to see the all the stars rocking out:
Katy Perry
Hear her roar! The songstress is a ray of sunshine in her bedazzled mini-dress.
Noah, Tish and Miley Cyrus
The look-alike duo gave mom Tish a birthday present to remember by bringing her onstage and presenting her with a giant cake and super adorable performance of "Happy Birthday."
Parker Bates, Mackenzie Hancsicsak & Lonnie Chavis
Even the kids of This Is Us couldn't resist heading to Wango Tango to hear their favorite artists.
Noah Cyrus
Miley Cyrus' little sis is all smiles while singing her heart out at the event's Daytime Village.
Niall Horan
The One Direction singer looks handsome as ever
Corinne Olympios
Everyone's favorite former Bachelor contestant serves major race car vibes.
Aaron Carter
We want candy! The former child star rocks the stage in a tan bomber jacket and diamond chain.
Camila Cabello
Leave it to this incredible singing sensation to always bring the glam.
Backstreet Boys
BSB is back, y'all!
Amanda Stanton, Sarah Vendel, Robert Graham & Chase McNary
Bachelor Nation reunion! The reality stars enjoy an afternoon of music inside the Stubhub Center in Carson, Calif.
Chase McNary & Stassi Schroeder
Reality TV collides as The Bachelorette star and Vanderpump Rules fan-favorite meet.
Olivia Holt & Jordan Fisher
After performing at the Wango Tango village, the singers hit up the gifting suite featuring products from FujiFilm Instax, Otter Pops and Shein Clothing.
Hailee Steinfeld
Sing it, girl! The "Starving" songstress hits the stage at Wango Tango.
Liam Payne
The One Direction hunk makes a statement with his colorful jacket.
Drake Bell
The actor-musician shows off his edgy side in a vintage T-shirt and many tattoos.
Halsey
The singer-songwriter flashes some skin in sheer cargo pants and a crop top.
Machine Gun Kelly
Real men wear pink. Just ask this stylish hip-hop artist!
Olivia Holt
The Disney channel starlet looks rocker chic in a studded jacket and bell bottoms.
Katy Perry
Just before taking the stage to perform her latest track "Bon Appétit," the pop star poses for photos in a neon yellow sweater.
Julia Michaels
The "Issues" singer is all about bright florals and bold patterns on the red carpet.