Over the weekend (Saturday, February 16th) across the pond in London town, London Fashion Week is well underway. Among lines unveiling such as the new Spring/Summer Burberry collection, Versace, Louis Vuitton & more, a certain celebrity tries her hand in the fashion world and goes by the name of Rihanna. The Bajan pop princess, fresh off the Grammy stage with two riveting performances, has officially collaborated with international fashion brand River Island, to bring forth the exclusive fashion line “Rihanna For River Island”. Read more and check out the exclusive pics courtesy of (Rap Up) after the jump!