The Hollywood Gossip: Yeah right.

Despite the actress' remarkably brittle, slender figure, the mother of Keira Knightley insists it's thanks to her genes, not her diet.

"She's always been thin," Keira's mom, Sharman Macdonald, told Britain's Sunday Times. "She's her daddy's daughter, with his long body."

Like her father, the actress, 23, must "eat like a horse," to maintain her weight, Macdonald said. Mmm hmm. We've heard it all before.

Last year, Keira Knightley successfully sued Britain's Daily Mail, saying the tabloid implied she lied about having an eating disorder.

In 2006, Knightley vociferously denied that she suffered from anorexia. She soon began dating Rupert Friend, who's some sort of actor.

That's not at all relevant, but we thought you might be interested.

In the Times interview, Knightley's mom says the rumors are all upsetting, especially because she felt there was little she could do about them.

"It's a playground situation that we're looking at with the press â€" it's a form of bullying â€" but what can we do?"