Mario Lopez

Mario Michael Lopez, Jr. (born October 10, 1973) is an American actor and television host who has appeaered on several television series, in films and on Broadway. He is best known for his portrayal of A.C. Slater on the show Saved By The Bell and its spinoff Saved By The Bell: The College Years. He has done numerous projects since then including competing on the third season of Dancing with The Stars, in which he finished second to football legend Emmitt Smith, and hosting the popular MTV show America's Best Dance Crew(now cancelled).

Lopez and reality television star Khloe Kardashian Odom were named hosts of The X-Factor in October 2012 after months of rumors. They replaced former host Steve Jones.

On April 22, 2013, Fox announced that Lopez will be the show's lone host.