Kristen Chenoweth

This summer, Ellen made her Broadway debut in "Promises, Promises" with the hilarious KRISTIN CHENOWETH. Now Kristin is back on TV in her hysterical role on "Glee," but she's making a stop today to visit her friend and former co-star! It's an exciting time for NICK CANNON! Any moment, he and Mariah Carey are about to be proud parents of twin babies! And if he weren't busy enough, he's doing a comedy special on Showtime next month, and is getting ready for a brand new season of "America's Got Talent." He'll have a lot on his plate, but he always makes time to chat with Ellen. ALISON KRAUSS & UNION STATION have been performing for over 20 years -- and in that time, Alison has won a whopping 27 Grammys! They just released a brand new album, "Paper Airplanes," and will be here to perform one of their new singles.