The award-winning host continues his anarchic talk show. He is joined by America's pop queen, Katy Perry; comedian Ross Noble; and national sweetheart Cheryl Cole.

Guests include double Oscar winner Sean Penn, talking about his brilliant career and action thriller The Gunman; comic actress Celia Imrie, appearing in The Second Best Exotic Marigold Hotel; and top comedian Ross Noble, about to join musical hit The Producers. Plus music and chat from Kelly Clarkson, who performs Heartbeat Song.

Jason Momoa, Emilia Clarke, Regina King and Ross Noble join Graham Norton on his sofa.

Aquaman star Momoa is in futuristic TV drama See, Game of Thrones' Clarke stars in romantic comedy Last Christmas, Oscar winner King is promoting HBO series Watchmen and top comic Noble is on tour with new show Humournoid. With music from Camila Cabello, who performs Liar.