LAS VEGAS, NV – SEPTEMBER 24: Singer Lady Gaga performs at the iHeartRadio Music Festival at the MGM Grand Garden Arena September 24, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for Clear Channel)
LAS VEGAS, NV – SEPTEMBER 24: Singer Lady Gaga performs at the iHeartRadio Music Festival at the MGM Grand Garden Arena September 24, 2011 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for Clear Channel)