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Ashlee Simpson, sister to Jessica Simpson, turns 28 on Oct. 3, 2012. The musician is known for songs such as 'Pieces of Me,' 'Autobiography' and 'La La.' The singer also gave birth to a son, Bronx Mowgli, with her former husband singer Pete Wentz.
Pictured: Ashlee Simpson appears in a photo posted on her official facebook page on November 19, 2011.