Justin Randall Timberlake (born January 31, 1981) is an American actor, businessman, and singer-songwriter who was best known for leading the boy band N'Sync. He was one of the Mouseketeers in The Mickey Mouse Club. He also played Jason Sharpe in the Disney Channel Original Movie, Model Behavior. He was mentioned in an episode of Jessie, and the Lizzie McGuire episode "Picture Day". He is also the husband of Jessica Biel.