Rihanna had a year full of hit new songs and hot hair colors! She kicked things off with collaborations with Eminem and Kanye West and released her fifth album, Loud, in November with the hit tracks "Only Girl (In the World)" and "What's My Name?" but she didn't stop there. Rihanna grabbed her tenth number one spot on the Billboard charts with "S&M" and performed the song with Britney Spears at the Billboard Music Awards. She also got candid with Vogue and Rolling Stone and shocked fans with her controversial "Man Down" music video.