Mario Lopez's Knockout Fitness: The Six-Week Plan for Sculpting Your Best Body Ever
 Mario Lopez is an actor, television personality, dancer, and all-around entertainer who is perhaps best known for his roles on the popular comedy seriesSaved by the BellandDancing with the Stars. He is also a host of Extra’sWeekend Editionand the Miss America and Miss Teen USA pageants. Viewers around the world have come to love his electric personality and charm. He lives in Los Angeles, California.