Waif-thin Cameron Diaz will star in Fox 2000’s "In Her Shoes". Based on a script by Susannah Grant, adapted from Jennifer Weiner’s novel, "Shoes" will story the rivalry between a sometimes-employed party girl (Diaz) and her older sister, an attorney. When the two are forced to move in together, they make a new connection. Curtis Hanson (8 MILE) is in negotiations to direct. The film will get made before Diaz plays with Jim Carrey in "Fun With Dick and Jane," as director Barry Sonnenfeld dropped out of the project.