LONDON, UNITED KINGDOM - MARCH 28: Jewellery worn by Rihanna promoting the film Battleship at Corinthia Hotel London on March 28, 2012 in London, England. (Photo by Jon Furniss/WireImage)
LONDON, UNITED KINGDOM - MARCH 28: Jewellery worn by Rihanna promoting the film Battleship at Corinthia Hotel London on March 28, 2012 in London, England. (Photo by Jon Furniss/WireImage)