Jennifer Lopez, who goes by the nick name J.Lo, is an American actress and singer. She initially got her start acting and became famous with her portrayal of Selena Quintanilla-Pérez in the movie Selena in 1997. Since then Jennifer Lopez has gone on to make seven albums including four #1 hits and has been in over twenty movies, including The Wedding Planner, Enough, Maid in Manhattan, Monster-in-Law, The Back-up Plan, and What to Expect When You're Expecting.