We've watched her grow as an actress, but it was only while sifting through some old photos that we realized just how much she's switched up her look over the years. Just when you think you know what her signature style is, there she goes again chopping it off and dying it platinum. Or adding bangs. Or braids. And while we were goggling at her hair, we were also wondering how the hell she still has any after all the haircolor acrobatics she's put her strands through.