The ideal age for women is somewhere between 29 and 31: According to the survey, men believe a woman’s beauty peaks at 29, and women believe it peaks at 31. The age women are supposedly most seductive? Respondents split the difference: 30. (Olivia Wilde is at her peak at 29, Anne Hathaway is a seductive 30, and Jessica Biel is an almost washed-up 31. Oh, and to further give you some reference Gisele is 32-years-old…)