Mario (born Mario Dewar Barrett on August 27, 1986) is a Grammy Award-nominated American R&B singer. He is best known for his hit singles "Just a Friend (2002)" and "Let Me Love You", which won him two Billboard awards, as well as for appearing in the films Step Up and Freedom Writers. His latest album, Go! will be released on August 21, 2007 in the United States. Mario was born in Baltimore, Maryland and grew up in Pikesville, Randallstown, Gwynn Oak and other working-class neighborhoods in Baltimore County, Maryland.