Keira Knightley wearing wigs for past five years

Actress Keira Knightley says she had to start wearing wigs after suffering from major hairfall.

The 31-year-old '

Begin Again

' actress said that preparing to take on the roles had an adverse effect as her locks began to fall out.


"I have dyed my hair virtually every color imaginable for different films. It got

so

bad that my hair literally began to fall out of my head!

"So for the past five years I've used wigs, which is the greatest thing that's ever happened to my hair," Knightley said.

Even though her hairs are improving now, the actress finds it tough to deal with her curly locks.

"I have naturally crazy, curly hair, and since I've had the baby it's become 10 times thicker. So now I've been finding quite a lot of dreadlocks," she said.

Knightley and husband James Righton welcomed daughter Edie in May.