Her recent hairstyle may be almost as bad as her attitude, however. Yeesh. Check out this sky high bouffant she wore to the London premiere of Killers this week.
To be fair, it's not all Katie's fault. The star ditched her signature blonde locks to play the main character in the film adaptation of the novel One for the Money.
It took some getting used to - for her as well.
I was pretty shocked at first... I was like, 'wow, it's dark, that's not just brown, that's black.' It took me a good day and a half to totally embrace it," she said.
