The Back-to-School Charm of a Messy Knot: From Rooney Mara’s Off-Kilter Twist to Katie Holmes’s College Bun InlineAugust 20, 2015Save StorySave this storySave StorySave this storyPhoto: Splash News1/4Katie HolmesPhoto: All Access Photo Group2/4Rooney MaraPhoto: Splash News3/4Charlize TheronPhoto: AKM-GSI4/4Elle Fanning