Photos: Justin Timberlake through the years

Justin Timberlake through the years FILE - In this Sunday, Feb. 10, 2013, file photo, Justin Timberlake performs at his Post Grammy Concert at the Palladium, in Los Angeles. Newcomers Macklemore & Ryan Lewis will battle heavyweights Timberlake and Taylor Swift for the top prize at the 2013 American Music Awards. (Photo by Todd Williamson/Invision/AP, File) (Todd Williamson/Todd Williamson/Invision/AP)