Britney Spears' aspiring rapper husband, Kevin Federline, is set to perform at the 2006 Teen Choice Awards next month (AUG06). According to veteran Hollywood columnist JANET CHARLTON, the former back-up singer has been booked to perform on the show on 20 August (06). The awards will be hosted by Jessica Simpson. There is no word on whether Spears, who is pregnant with the couple's second child, will attend.