Drew Barrymore, Simon Cowell

Lucy Liu, Avigayil Wardein, Nick Cave and The Bad Seeds

During ""Who Asked For It?,"" Alan uses CPR as an excuse to make out with an audience member; Dave makes his first PA announcement in almost four years, telling the crowd outside the theater that they're about to be hosed with ""Mountain Dew"" (water); Dave chats with a six-year-old girl from Florida who ran a controversial lemonade stand.