Nickelodeon's 2009 Kids' Choice Awards - Arrivals

arrives at Nickelodeon's 2009 Kids' Choice Awards at UCLA's Pauley Pavilion on March 28, 2009 in Westwood, California.

Justin Bieber Visits The Nintendo World Store

<> the Nintendo World Store on September 1, 2009 in New York City.

Justin Bieber Lights Empire State Building For Jumpstart

<> Justin Bieber lighting the Empire State Building to kickoff Jumpstart's Read For The Record Campaign on October 8, 2009 in New York City.

The Dome 53

BERLIN - MARCH 05: Canadian singer Justin Bieber attends ''The Dome 53'' concert event at the Velodrom on March 5, 2010 in Berlin, Germany. (Photo by Jakubaszek/Getty Images)

Q102 Hosts Meet And Greet With Justin Bieber

BALA CYNWYD, PA - MARCH 8: Justin Bieber poses during a meet and greet to promote his new CD ' My World 2.0' at the Q102 radio station on March 8, 2010 in Bala Cynwyd, Pennsylvania. (Photo Jeff Fusco/Getty Images)

GRAMMY Nominations Concert Live!! - Show

onstage during the GRAMMY Nominations Concert Live at Club Nokia on December 1, 2010 in Los Angeles, California.

Z100's Jingle Ball 2010 Presented By H&M - Show

performs during Z100's Jingle Ball 2010 at Madison Square Garden on December 10, 2010 in New York City.

The 53rd Annual GRAMMY Awards - Arrivals

arrives at The 53rd Annual GRAMMY Awards held at Staples Center on February 13, 2011 in Los Angeles, California.

2011 VH1 Do Something Awards - Blue Carpet

arrives at the 2011 VH1 Do Something Awards at the Hollywood Palladium on August 14, 2011 in Hollywood, California.

2011 VH1 Do Something Awards - Show

speaks onstage during the 2011 VH1 Do Something Awards at the Hollywood Palladium on August 14, 2011 in Hollywood, California.

2011 MTV Video Music Awards - Red Carpet

arrives at the 2011 MTV Video Music Awards at Nokia Theatre L.A. LIVE on August 28, 2011 in Los Angeles, California.

2011 American Music Awards - Arrivals

<> on November 20, 2011 in Los Angeles, California.

Justin Bieber Performs On NBC's "Today" - November 23, 2011

<> at TODAY Plaza on November 23, 2011 in New York City.

Justin Bieber Showcase In Milan

<> on June 2, 2012 in Milan, Italy.

Canadian singer Justin Bieber poses for

Canadian singer Justin Bieber poses for photographers before a press conference on his upcoming concert at the Zocalo square, in Mexico City, on June 11, 2012. AFP PHOTO/RONALDO SCHEMIDT (Photo credit should read Ronaldo Schemidt/AFP/GettyImages)

Canadian singer Justin Bieber performs d

Canadian singer Justin Bieber performs during a concert at the Zocalo square, in Mexico City, on June 11, 2012. AFP PHOTO/RONALDO SCHEMIDT (Photo credit should read Ronaldo Schemidt/AFP/GettyImages)

Justin Bieber Visits SiriusXM Hits 1

<> in the SiriusXM Studio on June 14, 2012 in New York City.

Justin Beiber And Austin Mahone Visit The Elvis Duran Z100 Morning Show

<> at Z100 Studio on June 21, 2012 in New York City.

Justin Bieber, Leah LaBelle & Lil Scrappy Visit BET's "106 & Park"

NEW YORK, NY - JUNE 20: Justin Bieber visits BET's "106 & Park" at BET Studios on June 20, 2012 in New York City. (Photo by D Dipasupil/Getty Images)

Teen Choice Awards 2012 - Show

onstage during the 2012 Teen Choice Awards at Gibson Amphitheatre on July 22, 2012 in Universal City, California.

Teen Choice Awards 2012 - Arrivals

<> at Gibson Amphitheatre on July 22, 2012 in Universal City, California.