Earl Simmons (born December 18, 1970), professionally known as DMX, is an American rapper, record producer, and actor. In 1999, DMX released his best-selling album ...And Then There Was X, which included the hit single "Party Up (Up in Here)". He has been featured in films such as Belly, Romeo Must Die, Exit Wounds, Cradle 2 the Grave and Last Hour. In 2006, he starred in the reality television series DMX: Soul of a Man, which was primarily aired on the BET cable television network. In 2003, DMX published a book of his memoirs entitled, E.A.R.L.: The Autobiography of DMX.