Beauty Hair Hair Color Rachel Bilson's Red Hair! By Sharon Clott Kanter Sharon Clott Kanter Sharon Clott Kanter is a New York-based writer, editor, and producer who covers fashion, beauty, and pop culture. She was previously the Senior Editor for InStyle and currently teaches fashion journalism at Syracuse University. InStyle's editorial guidelines Published on April 2, 2011 @ 10:30AM Pin Share Tweet Email Photo: Courtesy of Magnum; Jill Johnson/jpistudios Rachel Bilson became a redhead! Well, temporarily at least. The actress donned a red wig on the set of her new Magnum commercial, which she filmed with Chanel designer Karl Lagerfeld, and you can see a sneak peek of the look in this new behind-the-scenes photo. Isn't it fun to play dress up once in a while? See more celebrities who love colorful hair inInStyle’s Rainbow of Star Hair Colors. MORE:• Rachel Bilson's Magnum Ads• Designer News: Chanel• Bilson Wears Earrings for Charity