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See All the Hottest Looks On and Off the Stage at the iHeartRadio Festival

Miley Cyrus 2 I Heart Radio
Source: Getty

Jan. 28 2015, Updated 2:12 p.m. ET

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A few years ago, you had never even heard of this iHeartRadio event. Now? It's one of the biggest weekends in music! Check out the wild looks A-listers rocked at the festival.

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Miley Cyrus I Heart Radio
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Just when she can't shock us any more, Miley Cyrus takes eye-popping to the next level with tiny black pasties.

Adam Levine I Heart Radio
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Oh, hello Adam Levine's beautiful torso. No one makes a mic stand look hotter than this judge from The Voice.

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Britney Spears I Heart Radio
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Las Vegas' newest showgirl Britney Spears made an appearance, as did her bra.

Paul McCartney I Heart Radio
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Paul McCartney lent some major star power to the proceedings.

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Jared Leto I Heart Radio
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Jared Leto and his band Thirty Seconds to Mars have the best hair in rock and roll.

Kat Graham I Heart Radio
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Singer Kat Graham hit the festival with her Vampire Diaries co-stars.

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Danity Kane I Heart Radio
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Yes, Danity Kane is definitely back together! They performed for the first time since they hinted at a reunion at the VMAs.

Justin Timberlake I Heart Radio
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What's a big show without Justin Timberlake? Well, boring, that's for sure!

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Drake I Heart Radio
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Drake performed wearing a shirt with Jaden Smith's face on it. What's the deal? It's reportedly the image from the VMAs of Jaden's adoring reaction to Drake's performance. Cute!

Tim McGraw I Heart Radio
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Tim McGraw made a solid bid for vests to become hot again with his performance.

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Ke$ha I Heart Radio
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Ke$ha took shots of whiskey during her performance and even sang a duet with Joan Jett.

Cher Lloyd I Heart Radio
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Cheeky Brit Cher Lloyd wore a typical loud and fun ensemble.

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Miley Cyrus 2 I Heart Radio
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Not satisfied with her tiny pasties look, Miley hit the stage again in a slight white outfit (with a rainbow on stage!).

Krewella I Heart Radio
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Dance group Krewella had the crowd moving nonstop.

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The Wanted I Heart Radio
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What's a music event without a boy band? The Wanted brought their good looks and awesome voices to the stage.

Ryan Seacrest I Heart Radio
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Ryan Seacrest, as usual, is everywhere at all times. He hit the Emmys red carpet the next day.

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Jackson Rathbone I Heart Radio
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Twilight star Jackson Rathbone kept it vampire-dark in black and white.

P Diddy I Heart Radio
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P.Diddy seemed a bit dressed up for the occasion, but we will never fault a suit and tie (right, Justin and Jay Z?).

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Ashley Greene I Heart Radio
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Ashley Greene wore an intricate black dress with slightly lighter hair.

Avril Lavine I Heart Radio
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Avril Lavigne has yet to give up that punky girl style—but she basically reinvented the look, so we'll give her a pass.

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Ne Yo I Heart Radio
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Ne-Yo wore a somewhat strange grandpa-on-a-cruise get-up. Cute hat, though!

Zedd I Heart Radio
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Check out Zedd, the big producer and DJ behind summer's ubiquitous hit "Clarity."

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Bruno Mars I Heart Radio
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Just try looking at a pic of Bruno Mares and not smiling. You're smiling right now, aren't you!

Khloe Kardashian Kendall Kylie Jenner I Heart Radio
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The Kardashians koordinated in loads of black leather.

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Miguel I Heart Radio
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Miguel got the black leather memo in a cool jacket we need to borrow right now!

Kelly Rowland I Heart Radio
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All hail Kelly Rowland! The X Factor judge killed it in thigh-high leather boots.

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Jason Derulo I Heart Radio
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Um, are we seeing a trend? Jason Derulo wore the black leather uniform.

What The Fox Say I Heart Radio
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Surely you've seen the foxes viral video by now? If not, stop what you're doing and google "what does the fox say" right now!

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Kate Hudson I Heart Radio
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Kate Hudson never ages. She kept the cool-rocker feel going in yet more black and leather.

Fameflynet
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Robin Thicke had a few wardrobe issues—his bottom button popped off during the performance!

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Keith Urban I Heart Radio
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Keith Urban has the best colorist in Hollywood. Check out those golden highlights.

Muse I Heart Radio
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Kate Hudson's man Matt Bellamy and his band Muse gave an awesome performance.

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J Cole TLC I Heart Radio
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Could we be more excited for TLC's new music and TV movie? No, we could not.

Benny Benassi I Heart Radio
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Benny Benassi is a super cool Italian DJ whom you may remember from that highly digital dance hit "Satisfaction" circa 2003.

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Elton John I Heart Radio
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Elton John was everywhere this weekend! Prior to his Emmys performance, he hit the iHeartRadio stage as well.

Chris Brown I Heart Radio
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Chris Brown—making fedoras happen.

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Katy Perry I Heart Radio
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Katy Perry played a bunch of her #1 hits. Let's never forget how many of those she really has!

Fun I Heart Radio
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Feeling chilly, boys? The dudes of fun. stayed cozy in fall jackets.

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Adam Lambert I Heart Radio
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Adam Lambert wears heels on stage, while most us can't walk a block in them. Amen!

Shay Mitchell Lucy Hale I Heart Radio
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Lucy Hale and Shay Mitchell of Pretty Little Liars keep the beauty industry afloat with their awe-inspiring hair.

Colton Haynes I Heart Radio
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Colton Haynes brings the all black everything look home.

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