Keith Lemon snooped around the homes of stars as varied as Mary Berry, Joey Essex, Amir Khan and John Prescott, inviting panellists to guess their identities. Returning for a second series of the revived game show, he welcomes chat-show host Jonathan Ross, TV presenter Ruth Langsford and comedian Alan Carr to the studio. Using clues highlighted along Keith's tour of each home, and with the help of the audience, the guests try to work out which famous faces have handed over their house keys to the Celebrity Juice funnyman