Keira Knightley is not as porcelain ... I don't even like wearing make-up but I have to because of my acne, Contactmusic quoted Knightley, as saying. "I've been saved many times at film premieres ...

Now, in honor of her 40th birthday, we take a look back at her most memorable roles to date, from playing plucky footballers ...

If you're not a fan of red lipstick but want something to accentuate and tint your lips, Keira ... Knightley said, having pulled a Charlotte Tilbury lipstick out of her goldmine of a makeup ...