Rihanna is gearing up to hit the road in support of her latest hit album, 'Rated R,' and the R&B/pop diva is giving The BoomBox a sneak peak behind the scenes of her tour rehearsals. Watch RiRi as she perfects every song -- including her latest single 'Rude Boy' -- to give her fans the best experience when the Last Girl on Earth tour sweeps the nation. Rihanna is currently on the European leg of the jaunt, but the trek comes stateside on July 2 in Auburn, Wash. Check out TourTracker.com for more dates.