Check out Keira’s hair next time

Keira Knightley uses wigs for her films thanks to the dye damage.

Actress Keira Knightley, from the film "Anna Karenina", poses for a portrait on Tuesday, Nov. 13, 2012, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

The actress has revealed that after having dyed her hair multiple times for her various roles, it has just about “fallen out” and she has to rely on wigs!!