iHeartRadio Music Festival - Day 1 - Backstage [Getty Images]

LAS VEGAS, NV - SEPTEMBER 23: (L-R) Singers apl.de.ap, Stacy 'Fergie' Ferguson, Will.I.Am and Taboo of The Black Eyed Peas pose backstage at the iHeartRadio Music Festival held at the MGM Grand Garden Arena on September 23, 2011 in Las Vegas, Nevada. (Photo by Michael Buckner/Getty Images for Clear Channel)

Getty Images Entertainment Michael Buckner