Rach welcomes a legend into her kitchen today. Cookie Monster is back and he and Rach whip up -- you guessed it -- COOKIES from his new book, "The Joy of Cookies!" Then, Rosie Perez gives us the scoop on her new hit show, "Rise!" Plus, hollywood hairstylist Chris Appleton (the man behind the gorgeous tresses of stars like Kim Kardashian and Ariana Grande) gives three viewers trendy, celeb-inspired 'dos. Oh, and save room for Rach’s Caesar Salad with Sliced Steak!