 Some restrictions apply. For complete details, please visit OptimaTaxRelief.com. The 4th of July's most famous hot dog pig out will take place without its longtime champion. 16-time champion Joey Chestnut signed an endorsement deal with a vegan hot dog company. So for the first time in a long time, he's not going to be at the contest. But host George Shea says it's not for lack of trying on Nathan's part.