Steven Tyler (L) and Joe Perry of Aerosmith take the stage to introduce actor Johnny Depp, recipient of the MTV Generation Award, at the 2012 MTV Movie Awards in Los Angeles, June 3, 2012. [Photo/Agencies]

Steven Tyler (L) and Joe Perry of Aerosmith take the stage to introduce Johnny Depp, recipient of the MTV Generation Award at the 2012 MTV Movie Awards in Los Angeles June 3, 2012. [Photo/Agencies]