Gwyneth returns as Pepper Potts in "Iron Man 2" this month. Gwyneth followed in the footsteps of her mother, dropped out of college and started acting in the early '90s. Today she is the wife of Coldplay frontman Chris Martin, mom of two, bestie to Madonna - the past two decades have been busy! / Stephen Lovekin/ Getty Images

The Evolution Of: Gwyneth Paltrow (15)