Cameron Diaz Hits Red Carpet For 'What to Expect When You're Expecting'
Description:Cameron Diaz talked about the uncomfortable undergarments she had to wear for her role as a pregnant mother at the "What to Expect When You're Expecting" premiere in Los Angeles on Monday (May 14). The film, adapted from the non-fiction New York Times bestseller of the same name, revolves around five couples dealing with pregnancy and adoption to humorous and heartfelt results. Diaz, who co-stars with Matthew Morrison, portrays a TV fitness guru adjusting to the stress of her changing body. (0:42)