Kimberly Leadbetter (born November 20, 1979), known professionally as Mona Lisa, is an American pop and R&B singer-songwriter, actress, model, and record producer. She is best known for her debut single "Can't Be Wasting My Time" featuring the hip hop group Lost Boyz, which was featured on the Don't Be a Menace to South Central While Drinking Your Juice in the Hood soundtrack which went gold, as well as her debut album 11-20-79. 11-20-79 was released when she was 16.... [more on Wikipedia]