Ashlee Nicolle Ross née Simpson born October 3 1984 is an American recording artist and actress Simpson who is the younger sister of pop singer Jessica Simpson rose to prominence in mid2004 through the success of her numberone debut album Autobiography and the accompanying reality series The Ashlee Simpson Show Simpson received widespread notoriety when she attempted to lipsync with a prerecorded vocal track on Saturday Night Live in October 2004 Following a North American concert tour and a film appearance Simpson released a second numberone album I Am Me in October 2005 Her third album Bittersweet World was released in April 2008 The following month she married musician Pete Wentz and announced that they were expecting a child On November 20 2008 Simpson gave birth to their son Bronx Mowgli Wentz Simpson filed for divorce on February 8 2011 citing irreconcilable differences Description above from the Wikipedia article Ashlee Simpson licensed under CCBYSA full list of contributors on Wikipedia