Well, that was fast!
The hair chameleon, whose always experimenting with her coif, showed off the lighter shade at L.A.'s Soul Surfer premiere last night.
Hmmm, blunt bangs and long locks...reminds us of the former Disney star's Lizzie McGuire character, only all grown up and gorgeous!
What do you think of Hilary's flashback 'do? Weigh in below!
WATCH: A freshly coiffed Hil leaving the Byron & Tracy salon!