Transformers hottie Megan Fox undergoes her own transformation as a boy-eating cheerleader in the Diablo Cody-penned horror spoof Jennifer’s Body, in theaters today. The outspoken star opens up about the new feature in this video footage from last night’s edition of The Tonight Show.

Jennifer Aniston’s media blitz parade to promote her new film Love Happens stopped by The Tonight Show Tuesday, where the actress dished on her sacred friendship with BFF Courteney Cox to her desire to be a waitress at a Mexican restaurant.

Quentin Tarantino stopped by The Tonight Show for a chat with Conan O’Brien on Tuesday night.

The critically-acclaimed director’s World War II revenge film Inglourious Basterds, the only U.S. entrant to win an award at the Cannes Film Festival in May, topped the box office in North America and the UK last weekend.

Mad Men star Jon Hamm recalls his first meeting with 30 Rock’s Tracy Morgan in an interview with The Tonight Show on Wednesday.

The Closer’s Kyra Sedgwick enjoyed an in depth conversation about Conan’s hair and the remake of Shaft during an appearance on The Tonight Show Monday.

Kyra, who is already a Golden Globe winner, is up for a Best Actress Emmy for her role on the TNT series.

In a giggly interview with NBC’s The Tonight Show Wednesday, klutzy maneater Sienna Miller recalled her experiences learning to fly and fire a gun on the set of the new summer blockbuster G.I. Joe: The Rise of Cobra — in theaters Friday.

Earlier this week, Sienna spoke out about her relationship with married actor, Balthazar Getty. “The situation I got into was not ideal, but it happened and if I could go back and be more responsible, I would,” she said. “I probably would be less naive about ignoring the fact that people care.”

Spread star Ashton Kutcher chatted about his role as the unofficial King of Twitter, hitting fashion shows, and his wife’s frightening doll collection on The Tonight Show on Monday.

Mommy-to-be for the fourth time, German supermodel Heidi Klum will take over her new network home – Lifetime — with the August 20 debut of Season 6 of the hit fashion reality competition Project Runway. A two-hour special, Project Runway: All-Star Challenge, will precede the long-awaited premiere.

Also be on the lookout for Models of the Runway, a new show about the lovelies who lend their slim figures to the designers of Project Runway.

In this video from Monday night’s edition of The Tonight Show, iconic Hollywood actress Meryl Streep speaks about working with lions and playing culinary giant Julia Childs alongside Amy Adams in the new film Julie & Julia, opening Aug. 7.

The movie centers on Adams’ Julie Powell, a 30-year-old housewife from Queens, New York, who famously blogged her attempts to recreate all 524 recipes that appeared in Child’s Mastering the Art of French Cooking: Volume One in a single year.

Funny People’s Jonah Hill talks about his new movie — and making a bet with P. Diddy — on The Tonight Show with Conan O’Brien July 21.