Beyonce Knowles performed her new track “"Single Ladies" at this year’s American Music Awards on Sunday evening (November 23) in Los Angeles. Dressed in black-and-white sexy ensemble, the singer made a wonderful gig at the Nokia Theater’s stage. Fully focus on her new album, Beyonce was spotted in LA shooting the music video for new single titled “Diva. ” Meanwhile, her song “If I Were A Boy” hits the top of UK charts this week.