Y100's Jingle Ball 2012 - PRESS ROOM & BACKSTAGE

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Justin Bieber attends the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Kesha on Stage

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Ke$ha performs onstage during the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - PRESS ROOM & BACKSTAGE

(Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Psy attends the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - PRESS ROOM & BACKSTAGE

(Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Froggy, Elvis Duran, Enrique Iglesias and Anna Kournikova attend the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - PRESS ROOM & BACKSTAGE

(Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Enrique Iglesias attends the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - SHOW

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Flo Rida performs onstage during the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - PRESS ROOM & BACKSTAGE

(Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Ke$ha attends the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - PRESS ROOM & BACKSTAGE

(Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Neon Trees attend the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - PRESS ROOM & BACKSTAGE

(Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Ed Sheeran attends the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - PRESS ROOM & BACKSTAGE

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Megan and Liz attend the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - SHOW

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Amy Heidemann of Karmin performs onstage during the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - SHOW

(Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Austin Mahone performs onstage during the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - PRESS ROOM & BACKSTAGE

(Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Flo Rida attends the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - SHOW

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Cher Lloyd performs onstage during the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - SHOW

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Ryan Tedder of OneRepublic performs onstage during the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - SHOW

(Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

PSY performs onstage during the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - PRESS ROOM & BACKSTAGE

(Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Justin Bieber attends the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - SHOW

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Tyler Glenn of Neon Trees performs onstage during the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - SHOW

(Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

OneRepublic performs onstage during the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - SHOW

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SUNRISE, FL - DECEMBER 08: Flo Rida performs onstage during the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - PRESS ROOM & BACKSTAGE

(Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

SUNRISE, FL - DECEMBER 08: OneRepublic attends the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - SHOW

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Flo Rida (L) and StayC perform onstage during the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - PRESS ROOM & BACKSTAGE

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Shermanology attends the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - SHOW

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Dorothy Sherman performs onstage during the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)

Y100's Jingle Ball 2012 - SHOW

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Leon Sherman performs onstage during the Y100's Jingle Ball 2012 at the BB&T Center on December 8, 2012 in Miami. (Photo by Michael Kovac/Getty Images for Jingle Ball 2012)