Diane Keaton, House Flipper

Actress Diane Keaton's sidebar career is fixer-uppers: a longtime historic preservationist (she's a trustee for the National Trust for Historic Preservation), Keaton has complemented her acting career by remaking notable Los Angeles residences. It's a forward-thinking move for the Oscar-winning actress and "Something's Gotta Give" star who's now an actress of a certain age in Hollywood.