The song features vocals by pop singer Skylar Grey, who first gained widespread fame as the songwriter who created the hook chorus for Eminem and Rihanna's international hit "Love The Way You Lie
." She was also a guest vocalist on hit singles by Dr Dre ("I Need a Doctor
") and Diddy-Dirty Money ("Coming Home
The pair first met at a sushi restaurant in LA. According to Grey, Guetta knew about her work as a songwriter and vocalist but was less familiar with what she actually looked like. "I guess he thought I was really unattractive and overweight," she explained to Billboard
magazine. "He's like 'oh, you're not fat and ugly we can keep you on the song!'"
Grey decided to quick to move on from Guetta's untactful comment. "I was like, you're French, you're forgiven," she said. "He's actually really fun to work with."