Katy Perry
Single girl swag! The "Chained to the Rhythm" debuts her fierce new 'do while wearing a sleeveless geometric-printed August Getty Atelier jumpsuit.
Ed Sheeran
Who isn't in love with the shape of the singer-songwriter's hip eyeglasses? Not to mention his highly-anticipated performance right around the corner.
Heidi Klum
Never one to miss turning a red carpet into a catwalk, the supermodel looks lovely in a black and white striped mini-dress.
Noah Cyrus
Ahead of her award show performance debut, Miley Cyrus' little sister walks the carpet in a daring mini-dress and silver platforms.
Halsey
There's nothing mellow about this bright yellow number.
Demi Lovato
Before presenting one of the biggest awards of the night, the "Cool for the Summer" singer shows off her latest ensemble.
Ansel Elgort
Say cheese! The actor-singer rocks a suede blazer and classic button up before heading into The Forum in Los Angeles.
Florida Georgia Line
This stylish country music duo and their leading ladies make us wanna roll our window down and cruise.
JoJo Fletcher
We can't get enough of The Bachelorette star's flared jumpsuit.
Macklemore
It's denim on denim for this rapper, who will take the stage to present an award.
Fifth Harmony
You better work, ladies!
Kelsea Ballerini
Country music's ultimate stunner wows in a navy blue and black jumpsuit decked out in sparkles. She completed her look with a Tyler Ellis clutch.
Shawn Mendes
Shortly before he takes the stage to perform, the "Treat You Better" singer hits the red carpet in a patterned suit jacket.
Big Sean & Jhene Aiko
Date night done right! Hip-hop's cutest couple proves they can do no wrong in similarly-styled red carpet ensembles.
Jeremy Renner
The actor looks suave as ever in a chocolate brown leather jacket paired with grey pants.
Becca Tilley
This reality TV beauty deserves one big round of applause from Bachelor Nation.
The Chainsmokers
The EDM duo opts for sweaters with bold graphics moments before taking the stage to perform their latest hits "Paris" and "Something Just Like This."
Karrueche Tran
The model gives new meaning to red hot in her flashy silk jumpsuit.
Jason DeRulo
The R&B artist brings a pop of color to the carpet with a red rose embroidered on his black and white tuxedo.
Thomas Rhett & Lauren Gregory
Too cute! The country music star places a loving hand on his wife's pregnant belly.
Christina Milian
There's something very va-va-voom to the R&B singer's silver metallic cocktail dress from Rubin Singer.
Joe Jonas
Here to present at the iHeartRadio Music Awards is the DNCE frontman.
Stassi Schroeder
Nobody works a jumpsuit quite like this Vanderpump Rules star.
Maddie Ziegler
The Dance Moms starlet and fixture of every Sia music video is all smiles arriving to the iHeartRadio Music Awards.