It's nothing but love between former Disney Channel costars Demi Lovato and Selena Gomez. Lovato, 33, was a guest on the Tuesday, September 16, episode of Watch What Happens Live With Andy Cohen, where she was quizzed about Gomez's recent praise for her during an August appearance on the "Therapuss" podcast. (Gomez said it was "good to see them all do their thing," referring to Disney alums Lovato, Zendaya, Miley Cyrus and the Jonas Brothers.) "I heard clips of what she said on the podcast," Lovato told host Andy Cohen on Tuesday. "It was really, really sweet.