
Punk'd
Tom Arnold drops off his brat kid with Ashton's newly hired assistant.

Tom Arnold drops off his brat kid with Ashton's newly hired assistant.

Actress Eliza Dushku; singer Mandy Moore; boxer Oscar De La Hoya.

Actor Frankie Muniz; singer Justin Timberlake; a red-carpet moment.

Mac Miller pranks Wiz Khalifa, Derrelle Revis and T-Pain.

Jason becomes a distraction; Heidi gets her big chance; a model drops out of a fashion show.

Lauren wants to be with Jason on his birthday; Audrina seeks Heidi's advice.

Lauren wonders if she is really over Jason; Heidi ponders her work situation.

LC goes on an overnight errand; Audrina looks for love.

Lauren realizes that she and Heidi may be on different paths.

Lauren juggles school, an internship and an unpredictable roommate.

Kristin must decide if she is going to make a major change in her life.

Kristin talks to Brody about rekindling their relationship; Heidi's mother travels to Los Angeles.

Kristin makes Brody jealous when she hooks up with a bartender in Costa Rica.

Audrina ends things with Ryan but gets a surprise from Justin; Allie stirs up more trouble.

Ryan meets Justin for the first time; Brody sides with Kristin.

Brody's new love brings an old rival to a party; Audrina does not tell Ryan about Justin.

Kristin struggles to move on; Audrina doubts her relationship with Ryan.

Brody puts his friendship with Kristin on the line; Lo sets Stephanie up on a double date.

Friends and family make a difficult choice about Heidi and Spencer; Kristin and Brody hook up.

Heidi throws a party for her neighbor; Spencer gets angry with Holly.