This week, global superstar Liam Payne will perform his new song Stack It Up, survival expert and TV presenter Bear Grylls will face one of his toughest challenges as he hands over his phone to Michael for Send To All, and there will be an amazing surprise for the Unexpected Star, as they get the opportunity to perform live in front of over 2,000 people on stage at The London Palladium.
Harry Redknapp hands over his phone to play Send To All. Michael also wakes up one of the biggest boy bands in the world, for an extra special Midnight Gameshow With Westlife.
Ellie Goulding hands Michael her phone in Send To All, and two brothers from Coventry are in for the shock of their lives when they find themselves on stage at The London Palladium.
Robbie Williams surprises some karaoke-singing members of the audience with special renditions of his classic hits in Robbie-oke, and also gives a Christmas treat with a spectacular performance of Winter Wonderland.