VIDEO Exclusive: Watch a Clip from Britney Spears' Femme Fatale Tour

Britney Spears Britney Spears is back - studded bra and all - and we've got an exclusive clip from her Femme Fatale Tour. In this clip, catch a snippet of Spears performing her hit song "I Wanna Go." The singer also shares some behind-the-scenes moments. Britney Spears Live: The Femme Fatale Tour airs Saturday at 8/7c on EPIX.