Mary-Kate Olsen on Spencer Pratt's Bad Temper

06/27/2008 at 10:55 AM EDT

They were classmates at a posh L.A. high school – and Mary-Kate Olsen doesn't have fond memories of Spencer Pratt.

"He does not have a good temper," Olsen, 22, told David Letterman, during an appearance to promote her film The Wackness. (She makes out with Sir Ben Kingsley in the flick.) "He used to play on the soccer team ... (and) he walked out of a few games. He would walk off the field."

When Letterman pressed her for more stories on The Hills's 24-year-old villain (whom Letterman called "wormy" and "oily"), Olsen just giggled and said, "The Wackness is a great film!"

As for the rest of young Hollywood, Olsen simply advised: "Wear underwear! Wear your panties."

Your Reaction

Follow Us

On Newsstands Now

Robin Roberts: How Loved Saved Me
  • Robin Roberts: How Loved Saved Me
  • Emma and Andrew: All About Hollywood's Cutest Couple
  • Prince George! More Yummy Photos

Pick up your copy on newsstands

Click here for instant access to the Digital Magazine


From Our Partners

Watch It

Editors' Picks

From Our Partners

Sign up for our daily newsletter and other special offers.
    Choose your newsletters
Thank you for signing up! Your request may take up to one week to be processed.
    see all newsletters