Paulina Porizkova

Los Angeles - She'll always be one of the great posers, but Twiggy's days of sitting in judgment are over.

Due to scheduling conflicts, the 1960s-era supermodel will be vacating her America's Next Top Model post next year, the CW announced Monday. Stepping into her size 0 seat for Cycle 10 will be veteran cover girl Paulina Porizkova.

"We are thrilled to have Paulina as a part of this cycle's judging panel," ANTM executive producer Ken Mok said in a statement. "The show and participants will benefit a great deal from her vast modeling knowledge and expertise."

Runway specialist Miss J. Alexander and photographer Nigel Barker will be sitting on either side of Tyra Banks at the judges' table next year, as usual.

"We would like to thank Twiggy for her great contributions to the show," Mok said. "Having an icon like Twiggy lend us her considerable expertise has elevated our show to a whole new level. We wish her well in her endeavors and hope to collaborate with her in future Cycles of ANTM as well as other projects."

Twiggy, whose real name is Lesley Hornby, actually only modeled for about four years in the late '60s before giving it up to focus on singing and acting—but her pixie-like figure and doe eyes made enough of a splash to merit her own Barbie doll and make her the face of swinging London.