Question: Who has hosted a tabloid talk show since its debut in 1991 and has been a guest celebrity on an American improvisational comedy television series, based on the BBC Two program "Fast and Loose"
Sentence (from "Tabloid talk show"): The host invites a group of guests to discuss an emotional or provocative topic – ranging from marital infidelity to more outlandish topics – and the guests are encouraged to make public confessions and resolve their problems with on-camera "group therapy".
Relevant evidence: No