Keira Knightley: OK to expose tiny breasts but pants stay on

keira-knightley-topless-allure-cover.jpg
Keira Knightley took her top off and unbuttoned her pants to get comfy for the cover of Allure magazine.

Knightley says she has no problem exposing her breasts "because they're so small, people really aren't that interested."

The "Anna Karenina" star says she does mind, however, when movie studios try to gift her with bosoms she wasn't naturally blessed with. "For King Arthur, for a poster, they gave me these really strange droopy tits," Keira says. "I thought, 'Well, if you're going to make me fantasy breasts, at least make perky breasts.'"

As for her lower half, Keira says she won't expose any of it. Well, no more than whatever shows when she unbuttons her slacks for the Allure cover.
Photo/Video credit: Allure