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.

Episode Viewers and Ratings

Season 15 Episode 4 of America's Next Top Model resulted in a 0.00 rating in the 18-49 demographic.

America's Next Top Model Season 15 Episodes...

• s15e01 - Welcome to High Fashion
• s15e02 - Diane von Furstenberg
• s15e03 - Patricia Field
• s15e04 - Matthew Rolston
• s15e05 - Karolina Kurkova
• s15e06 - Patrick Demarchelier
• s15e07 - Francesco Carrozzini
• s15e08 - Zac Posen
• s15e09 - Margherita Missoni
• s15e10 - Kyle Hagler
• s15e11 - Franca Sozzani
• s15e12 - High Fashion Highlights
• s15e13 - Roberto Cavalli

America's Next Top Model Show Summary

Created by Tyra Banks, America's Next Top Model follows a group of young women of various backgrounds, shapes and sizes who live together in a loft and vie for a modeling contract.

The show exposes the transformation of everyday young women into potentially fierce supermodels, with participants facing weekly tests that determine who can make the cut. With mentoring by supermodel Tyra Banks and exposure to high-profile fashion-industry gurus, the finalists compete in a highly accelerated modeling boot camp - a crash course to supermodel fame.