8. Jeremy Clarkson, Miranda Hart, Martin Freeman, Ella Henderson

The host is joined by outspoken Top Gear presenter Jeremy Clarkson, comedy actress Miranda Hart - star of Miranda and Call the Midwife - and actor Martin Freeman, who talks about the final film in the Hobbit trilogy, The Battle of the Five Armies. Former X Factor contestant Ella Henderson performs her latest single Yours, from her chart-topping debut album.