In addition, a new special guest will appear each week to judge in his or her area of expertise, it was announced today during UPN's presentation at the Television Critic's Association in Hollywood.

Judges will challenge the participants, who must show the look, skills and attitude to become America's Next Top Model. The judging panel will conduct regular evaluations to narrow the field from week to week as they take participants into a high pressure, high stakes series of competitions that will determine the series winner.

Dickinson, one of the world's first supermodels, helped elevate the industry to new heights during the 70s and 80s as she graced the covers of numerous high-profile fashion magazines, including Vogue, Mademoiselle, Elle, Cosmopolitan, Time and Life. She was also featured in top designer runway shows, including Versace, Valentino, Calvin Klein, Giorgio Armani, Perry Ellis, Von Furstenberg, Marc Jacobs and Michael Kors, among many others. She is founder of her own make-up line and recently wrote her autobiography, No Lifeguard on Duty: The Accidental Life of the World's First Supermodel. Dickinson is now a mother of two.

Beau Quillian is fashion editor for Marie Claire, where he oversees fashion photo shoots that define trends featured on some of the world's most famous top models. Prior to Marie Claire, he worked for Harper's Bazaar and Mademoiselle. In addition, he worked with top designers including Calvin Klein, Christian Dior and Lacoste. He began his fashion career when he moved to New York at age 19 from rural Florida and started working as a fashion assistant on photo shoots.

Kimora Lee Simmons is CEO and creative director of Baby Phat. At age 13, she became the muse to the house of Chanel and its designer, Karl Lagerfeld. Her sexy designs reflect the buoyant energy and her strong opinions of style lent from her experiences as a model and a hip-hop socialite.

AMERICA'S NEXT TOP MODEL is produced by Mok Entertainment in association with Ty Ty Baby Productions. The executive producers are Ken Mok ("Making the Band") and Tyra Banks. The dramality was created by Banks and developed by Mok and Kenya Barris.