10 Geek-Chic Movie Makeovers

The character: Cady Heron

The transformation: When homeschooled Cady enrolls in a public high school, she's blissfully unaware of how catty girls can be toward one another. Thanks to the Plastics, though, she quickly learns all about the girl world. When her lighthearted attack on Regina George morphs into an obsession, Cady gets a makeup-heavy makeover that turns her into a truly mean girl — until losing geek cred causes her to lose it all.