Laurenconrad_thehills_03_290 "America's Next Top Model" is opening up the competition to shorter women this season, and it's also bringing new faces onto the judging panel.

Rather than have a fourth permanent judge to join Tyra Banks, Nigel Barker and J. Alexander, the show will have a rotating panel of guest judges throughout the season. They include Lauren Conrad, Kim Kardashian, and "famous petite model" Josie Maran, and they'll be filling the seat previously occupied by Paulina Porizkova, Twiggy and Janice Dickinson.

The new season, the show's 13th, will be populated by aspiring models 5-foot-7 or shorter (in previous seasons, contestants had to be taller than that) and is being called the search for "America's Next Petite Model."

Here are the guest judges and their appearance dates :

Sept. 9: Chanel Iman, "one of the world's most in-demand models."

Sept. 16: "Hills" star and aspiring fashion designer Lauren Conrad.

Sept. 23: Petite (5'7 1/2") model Jaime Rishar.

Sept. 30: Actress and model China Chow.

Oct. 7: "Famous petite model" and actress Josie Maran.

Oct. 14: Cover Girl, Gap and Maybelline model Jessica White.

Oct. 21: Reality star and boutique owner Kim Kardashian. Jessica Lowndes of "90210" will also appear in the episode as part of the models' challenge.

Oct. 28: Model Kirsty Hume.

Nov. 4: Victoria's Secret and Sports Illustrated model Marisa Miller.

Nov. 11: Seventeen editor and frequent "Top Model" presence Ann Shoket.

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