Nicole Scherzinger’s Treadmill Playlist

“The one thing that inspires me to get on the treadmill is my music.”

Nicole Scherzinger, former Pussycat Doll and now judge on Simon Cowell's The X Factor, credits her rock hard body to a combination of cardio, strength training, and, of course, dancing. See what songs she puts on her iPod to get pumped for a workout on the treadmill.