Gold's Gym announced LMFAO's " Party Rock Anthem" has officially been named the most rocking song in the gym. Gold's held it's annual March Music Madness competition, where hundreds of song were nominated by celebrities, readers of Men's Health and fans of Gold's Gym. 16 of the most popular submissions were chosen by Gold's Gym trainers and fitness experts to go head to head. Thousands of votes were cast during the competition as 'Party Rock Anthem" was crowned the winner. Other songs that made the final four were "Moves Like Jagger" by Maroon 5,  "Levels" by Avicci, and Pitbull's "Give Me Everything Tonight."