Marshall Bruce Mathers III (born October 17, 1972), better known by his stage name Eminem/Slim Shady is an American rapper and record producer. Eminem learned his trade while growing up in Detroit, United States, and quickly gained popularity in 1999 with his major-label album, The Slim Shady LP, which won a Grammy Award for Best Rap Album. The following album, The Marshall Mathers LP, became the fastest-selling solo album in the United States history.