Spencer to MK Olsen - Shut Your Trap, Troll!

6/28/2008 7:31 AM PDT

Spencer to MK Olsen - Shut Your Trap, Troll!

Mary-Kate Olsen no doubt thought she was taking an easy shot at Spencer Pratt when she dissed him as a crybaby on David Letterman's show.

But there's no E-Z in Spencer: This miracle of fashion shoots back on Usmagazine.com, saying, "She should probably focus more on not getting dressed in the dark than on me." The two went to high school in L.A. – though Spencer says he went to Crossroads, while MK went to Campbell Hall.

"I know I've made it when a famous troll is talking about me on Letterman," says Spence.

Miley -- Annie L., Meet Wheels of Bus, Again

Miley Cyrus just won't shut up about having pictures taken of herself for Vanity Fair – and she still thinks it's a "mistake."

The bare-shouldered vixen tells Billboard she's "embarrassed" about the Annie Leibovitz snaps and says it was "wrong" to let Annie shoot her. "You know what, I'm going to do stupid stuff to, and I'm going to make mistakes, and that's fine. It still hurts when I think about it," whines MiCy.

She's shooting the third season of "Hannah Montana," in case you were wondering.

Brinkley Wants to Grill Her Homewrecker

It's going to be a big first day in the Christie Brinkley divorce trial – her lawyers are calling the woman who broke up her marriage to Peter Cook ... on Day One.

Diana Bianchi, reports the New York Daily News, will have to show up next Wednesday to blab all about her relationship with Peter Cook. She reportedly got $300K from Cook to shut up about it, but if compelled, she says she will spill the beans.

"She's trying to keep a very low profile and stay out of all this," says her lawyer.

Party Favors: Wino Flashes Nelson Mandela ... Steven Tyler Says Rehab Was for Sleeping Pills ... MTV to Brit – We'll Do This Again

Amy Winehouse somehow managed to get on stage and sing at Nelson Mandela's birthday party Friday, singing "Rehab" and "Valerie," all while giving the apartheid-killer a view of her boyshorts. ... Steven Tyler says his rehab was all about pain and sleep meds. ... MTV honcho Van Toffler says he will give Britney Spears another chance at the VMAs, even though she embarrassed herself last year.