Demi Lovato ("Sonny with a Chance," "Camp Rock") drops by the set of this week's photo shoot to surprise the girls for a conversation about teen bullying. During the photo shoot with photographer Deborah Anderson, the girls' bodies are painted with a word that describes the type of bullying they have experienced. Legendary fashion designer Diane Von Furstenberg joins Tyra Banks, Andre Leon Talley and Nigel Barker on the judges panel

The girls head to a theme park where they must pose while riding a rollercoaster. The winner of the challenge is photographed for a feature on Tyra.com by Tyra herself. This week's photo shoot takes the girls underwater as they are photographed by top beauty photographer Matthew Rolston, who is also this week's guest judge.