Why Center-Parted Hair Feels Fresh Again: Sienna Miller, Elle Fanning, and More InlineDecember 17, 2016Save StorySave this storySave StorySave this storyExpandPhoto: Getty Images1/4Sienna MillerExpandPhoto: Getty Images2/4Elle FanningExpandPhoto: Getty Images3/4Sarah Jessica ParkerExpandPhoto: AKM-GSI4/4Alessandra Ambrosio