Teddi Mellencamp chats with ET's Nischelle Turner after being revealed as the Calla Lily on 'The Masked Singer,' airing Wednesdays on Fox and streaming on Hulu. The former 'Real Housewives of Beverly Hills' star, who is currently battling stage 4 cancer in her brains and lungs, and on her skin, offers a positive health update following her dad, John Mellencamp, made comments that she is 'suffering' on a recent episode of the 'Joe Rogan Experience' podcast. Source