Designer Zac Posen surprises the girls at their beach house to inform them they will be wearing his fall 2010 collection during this week’s runway challenge. The girls put their personality to the test when they shoot their very first commercial while wearing roller skates on the beach. Watch free, streaming full episodes of America's Next Top Model on cwtv.com. America's Next Top Model Video: Watch America's Next Top Model full episodes, previews, clips, interviews and more video. America's Next Top Model features Tyra Banks and gives real people an opportunity to prove that they can make it in the high-stress, high-stakes world of supermodeling. America's Next Top Model follows a group of young women of various backgrounds, shapes and sizes, who live together and vie for a modeling contract.