Sister Act Photos
Ashlee and Jessica Simpson
Older sis Jessica, left, (born in 1980) gained fame in the 1990s as a pop singer and branched out into acting after she and then-hubby Nick Lachey had their own MTV reality TV series, "The Newlyweds."
Younger sis Ashlee (born in 1984) released her first pop album in 1984, accopanied by a reality TV series. She has since done more recordings and concert tours.
(Photo: AP)
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