A new season of the reality competition series airs starting on Thursday, July 31 with guest judges Jenna Lyons, Tyra Banks, Michael Kors, Nikki Glaser, Sofía Vergara and others.
After a two-year break, the high-fashion series is returning with season 21, which airs on Freeform. Ahead of the premiere, Heidi Klum told PEOPLE that it's the contestants themselves who make her ...