Def Jam artist, Rihanna, today exclusively released her latest music video "SOS" to nikewomen.com at a launch event at the Key Club in the Hollywood section of Los Angeles, Wed. Feb. 15, 2006. The video features high-energy dance moves from the Nike Rockstar Workout created by celebrity director/choreographer Jaime King. Viewers can go online and can pause the video to pull up screens with King teaching the dance moves. (PRNewsFoto/Nike, Inc.)