Tyra Banks embarks on 20th season of America's Next Top Model

Banks poses during the first season of ANTM. (Barbara Binstein/Getty Images)

Kelly Cutrone, Tyra Banks, Rob Evans and Jonte get into bed together at the "America's Next Top Model: College Edition, Cycle 19" Premiere in New York City. (Craig Barritt/Getty Images)

Banks and Andre Leon Talley celebrate the Cycle 15 premiere of America's Next Top Model. (Larry Busacca/Getty Images)

Banks attends a launch party for "America's Next Top Model" in Jan. 2009. (Brad Barket/Getty Images)

Banks arrives at the 1st Annual Fiercee Awards honoring the women of "America's Next Top Model" in March 2008. (Charles Eshelman/FilmMagic)

Banks poses with Jaslene Gonzalez in May 2007 after Gonzales was declared the winner of Cycle 8. (Evan Agostini/Getty Images)

Banks and Danielle Evans, who won Cycle 6, in May 2006. (Michael Loccisano/FilmMagic)

Banks on stage with contestant Jayla at the Cycle 5 Finale Event after-party in Dec 2005. (Mark Mainz/Getty Images)

Banks arrives at the America's Next Top Model Cycle 5 finale in Los Angeles (Mark Mainz/Getty Images)

Cycle 4 winner Naima Mora and Banks pose in May 2005. (Jim De Yonker/Getty Images)

Judges Twiggy, J. Alexander, Banks and Nigel Barker during Cycle 5. (Michael Yarish/UPN)

Cycle three winner Eva Pigford poses with Banks and Yoanna House in Dec. 2004. ( J. Shearer/WireImage)

Banks poses during a promo for the show in Oct. 2004. (Daniel Garriga/CBS)

Banks bares all her clothes to promotes the show in Sept. 2004. (Hyungwon Ryoo/UPN)

Banks looks fierce during an ANTM promotional shoot in July 2004. (Daniel Garriga/CBS)

Cycle 2 winner Yoanna House poses with Banks, Shandi Sullivan and Mercedes Scelba-Shorte at the Cycle 2 finale party in March 2004. (Chris Polk/FilmMagic)

Banks attends the "America's Next Top Model: College Edition, Cycle 19" Premiere in New York City. (Craig Barritt/Getty Images)