Mario Dewar Barrett (born August 27, 1986) professionally known as Mario, is an American Grammy-nominated R&B and pop singer, actor, model, dancer and philanthropist. He is best known for his hit singles "Just a Friend 2002" (2002) and "Let Me Love You" (2004), which won him two Billboard awards, as well as for appearing in the films Step Up and Freedom Writers. He has released four studio albums: Mario in 2002, Turning Point in 2004, Go! in 2007, and D.N.A. in 2009.