Sabi To Join Britney Spears At Femme Fatale Shows

'I'm gonna go and just kill it,' the '(Drop Dead) Beautiful' rapper/singer says about her planned appearances with Spears.By Jocelyn Vena Sabi Photo: MTV News On select dates of Britney Spears' Femme Fatale tour, which kicks off next month with opening act Nicki Minaj, look for the singer to be joined by her "(Drop Dead) Beautiful" collaborator, Sabi. The fledgling rapper/singer dished