The contestants for the sixth — and, according to Gail Simmons, best — season have been announced. This time around there are 17 chefs who will duke it out in Las Vegas. Guest judges include Wolfgang Puck, Natalie Portman, and Tyler Florence, among others. Set your TiVos: the first episode debuts on Aug. 26. Here you can find a first taste of the competitors – there's one Euro, and brothers!