Rihanna Performs “Live Your Life” with T.I. at MTV Video Music Awards 2008

T.I. and Rihanna joined forces for a performance medley at the 25th Annual MTV Video Music Awards.Rihanna heads to DaSilvano Restaurant for late dinner after the “Fashion Rocks” Concert in New York City on Friday night.The 20-year-old Barbadian beauty will be performing “Live Your Life” with T.I. at this year’s MTV Video Music Awards. During the rehearsal, MTV reports that Chris Brown jumped into the mosh pit and waved his arms in the air, pretending to be a crazed fan! After a little moshing, he actually got on stage during the rehearsal and started busting out some dance moves!The 2008 MTV Video Music Awards starts at 9pm EST, with red carpet coverage starting at 8pm EST.See the video here.