On 'Watch What Happens Live,' host Andy Cohen got Hoda Kotb to play 'Plead the Fifth' with her friend and former 'Today' co-host Kathie Lee Gifford.<br />According to CNN, guests are asked three questions and can only 'Plead the Fifth' for one.<br />Kotb pleaded the Fifth on answering what was the most annoyed she has ever been with Gifford before going on air.<br />But she answered willingly when asked the identity of the worst guest she'd ever had on 'Today.'<br />It's Frank Sinatra Jr. It was the worst guest we've ever had, bar none. He had a book he was promoting, and he didn't want to talk about it, so he didn't say anything. Hoda Kotb
