Kelly and Ryan celebrate today’s holiday with “Live’s #EndofSummer Labor Day Party.” MAGGIE GYLLENHAAL speaks about the series “The Deuce,” and “America’s Got Talent” winner GRACE VANDERWAAL performs. Plus, “Chopped Junior” winner PEGGY FISCHER showcases ideas for back to school lunches, and all throughout the show, kids from “Live’s” studio audience face-off to win some cold hard cash during “Live’s #EndofSummer Games.”