LAS VEGAS, NV - SEPTEMBER 22: Musician Brad Paisley arrives at iHeartRadio Music Festival press room at MGM Grand Garden Arena on September 22, 2012 in Las Vegas, Nevada. (Photo by Chelsea Lauren/WireImage)
LAS VEGAS, NV - SEPTEMBER 22: Musician Taylor Swift arrives at iHeartRadio Music Festival press room at MGM Grand Garden Arena on September 22, 2012 in Las Vegas, Nevada. (Photo by Chelsea Lauren/WireImage)