39. Bo Derek
Actress Bo Derek is one of those rare women to have sparked a national hair trend with the flick of her head. Over 30 years after she captivated audiences both male and female in 10, Derek continues to fascinate. In 2008, the avid horseback rider (and fiancée to Sex and the City's John Corbett) told OK! magazine, "I look at my lines and I think, 'Well, shoot! They're marks of a lot of fun."