Z100's Jingle Ball 2013

Jake Miller attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Lauren Anderson attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Flo Rida attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Enrique Iglesias attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Flo Rida attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Enrique Iglesias attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Avril Levigne attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

JRand performs onstage during Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Pete Wentz ofFall Out Boy attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Demi Lovato attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

JRand performs onstage during Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

JRand performs onstage during Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Camila Cabello, Normani Kordei, Ally Brooke, Lauren Jauregui and Dinah Jane Hansen of Fifth Harmony attend Y100's Jingle Ball 2013 at BB&T Center on D...

Flo Rida attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Travie McCoy attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Ariana Grande attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

JRand performs onstage during Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Camila Cabello, Normani Kordei, Ally Brooke, Lauren Jauregui and Dinah Jane Hansen of Fifth Harmony attend Y100's Jingle Ball 2013 at BB&T Center on D...

Flo Rida attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Armin van Buuren attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Lauren Jauregui, Camila Cabello, Dinah Jane Hansen, Normani Kordei, Ally Brooke of Fifth Harmony attend Y100's Jingle Ball 2013 at BB&T Center on Dece...

Demi Lovato attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Avril Levigne attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Tegan and Sarah attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

JRand performs onstage during Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Fall Out Boy attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Flo Rida attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

JRand performs onstage during Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Jake Miller attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Demi Lovato attends Y100's Jingle Ball 2013 at BB&T Center on December 20, 2013 in Miami, Florida. (Photo by Jeff Daly/Invision/AP)

Selena Gomez performs during the Z100 Jingle Ball at Madison Square Garden in New York, Dec. 13, 2013. The annual holiday showcase featured musical ac...

Selena Gomez performs during the Z100 Jingle Ball at Madison Square Garden in New York, Dec. 13, 2013. The annual holiday showcase featured musical ac...

Austin Mahone performs during the Z100 Jingle Ball at Madison Square Garden in New York, Dec. 13, 2013. The annual holiday showcase featured musical a...

From right: Patrick Stump, Pete Wentz and Joe Trohman of the band Fall Out Boy perform during the Z100 Jingle Ball at Madison Square Garden in New Yor...

Miley Cyrus performs during the Z100 Jingle Ball at Madison Square Garden in New York, Dec. 13, 2013. The annual holiday showcase featured musical act...

Pitbull performs during the Z100 Jingle Ball at Madison Square Garden in New York, Dec. 13, 2013. The annual holiday showcase featured musical acts by...

Pitbull performs during the Z100 Jingle Ball at Madison Square Garden in New York, Dec. 13, 2013. The annual holiday showcase featured musical acts by...

Selena Gomez performs during the Z100 Jingle Ball at Madison Square Garden in New York, Dec. 13, 2013. The annual holiday showcase featured musical ac...

Austin Mahone performs during the Z100 Jingle Ball at Madison Square Garden in New York, Dec. 13, 2013. The annual holiday showcase featured musical a...

Lauren Jauregui of Fifth Harmony performs during the Z100 Jingle Ball at Madison Square Garden in New York, Dec. 13, 2013. The annual holiday showcase...

Audience members at the Z100 Jingle Ball at Madison Square Garden in New York, Dec. 13, 2013. The annual holiday showcase featured musical acts by Mil...

Miley Cyrus performs during the Z100 Jingle Ball at Madison Square Garden in New York, Dec. 13, 2013. The annual holiday showcase featured musical act...

Miley Cyrus performs during the Z100 Jingle Ball at Madison Square Garden in New York, Dec. 13, 2013. The annual holiday showcase featured musical act...

Miley Cyrus performs during the Z100 Jingle Ball at Madison Square Garden in New York, Dec. 13, 2013. The annual holiday showcase featured musical act...

Miley Cyrus performs during the Z100 Jingle Ball at Madison Square Garden in New York, Dec. 13, 2013. The annual holiday showcase featured musical act...

Miley Cyrus performs during the Z100 Jingle Ball at Madison Square Garden in New York, Dec. 13, 2013. The annual holiday showcase featured musical act...

Lindsay Lohan attends Z100's Jingle Ball presented by Aeropostale on Friday, Dec. 13, 2013 in New York. (Photo by Charles Sykes/Invision/AP)

Lindsay Lohan attends Z100's Jingle Ball presented by Aeropostale on Friday, Dec. 13, 2013 in New York. (Photo by Charles Sykes/Invision/AP)

Lindsay Lohan attends Z100's Jingle Ball presented by Aeropostale on Friday, Dec. 13, 2013 in New York. (Photo by Charles Sykes/Invision/AP)

R. Kelly attends Z100's Jingle Ball presented by Aeropostale on Friday, Dec. 13, 2013 in New York. (Photo by Charles Sykes/Invision/AP)