Multi-platinum, five-time GRAMMY-winning artist Christina Aguilera's highly anticipated fourth studio album, Bionic (RCA Records), due June 8th, features songs co-written by Christina along with her much buzzed about collaborations including Sia, Tricky Stewart, Polow Da Don, Le Tigre, Hill & Switch, and Ladytron among others. Debut single, "Not Myself Tonight," is available for purchase on More...