Tonight's theme focuses on the chefs' creativity in using food as an expression of art. They first must create a dish using one color – a hard task for the color-blind chef, then the contestants are "given" their inspiration for a theme to a star-studded dinner. Guest Judge: Ted Allen QuickFire & Elimination Guest Judge: Roberto Ivan Elimination QuickFire Challenge: Create a Dish Using One Color. Elimination Challenge: Create a Seven Course Dinner Inspired by the Seven Deadly Sins.