Bikini-Clad Rihanna Twerks Up A Storm

She's been living it up in Sardinia, Italy on a seemingly never-ending summer holiday. And Rihanna turned up the heat over the weekend by throwing an impromptu dance party on board a luxury yacht with two female friends. Wearing nothing but a flesh-coloured bikini, the sexy singer twerks for the camera in four short clips posted on her her pal Melissa Ford's Instagram account.