This week's challenge was based on Zac Posen's fall collection. Wouldn't you know it, that designed also guest-starred and sat in on the judging panel, as reviewed here.

Francesco Carrozzini joined the panel for this week's installment of America's Next Top Model. Read on to find out what one critic thought of it.

Patrick Demarchelier was the guest judge on this week's installment of America's Next Top Model. Find out now what our critic thought of the episode.

Demi Lovato offered advice and Diane von Furstenberg joined the judging panel. Let's take a closer look at the latest episode of America's Next Top Model.