Transformation

Drew Barrymore is all about flower power. After famously rebounding from her troubled teens, the former child star took on Hollywood with daisies in her hair and a dreamy demeanor. "We as girls have that Cinderella fantasy of dress-up," she has said. "So whenever you get the opportunity to have people make your face up and do your hair and put you in an outfit, it's a fantasy." Now a major Hollywood actress, producer and director, Barrymore still loves to play with makeup, but her number one beauty secret doesn't come in a tube—or on a stem. "I just think happiness is what makes you pretty," she has said. "Period. Happy people are beautiful."

The third generation Hollywood star played Gertie in the sci-fi hit E.T.