After 13 grueling weeks of competition, the chefs must create the best four-course meal of their lives for their final challenge at Willamette Valley Vineyards. They'll serve it to an esteemed table including Padma, Tom and Gail, this season's All-Star dining panel, and a few additional noteworthy guests including Tiffany Derry, Peter Cho and Naomi Pomeroy. Former winners Melissa King and Richard Blais join the judges one last time to deliberate and crown the next Top Chef.