Olly Murs welcomes the first four teams of superfans who will be going head to head as they transform into their idol for a very special performance. Will they impress our panel?

Olly Murs welcomes the next four teams of superfans who will be going head to head as they transform into their idol for a very special performance. Will they impress our panel?

Olly Murs welcomes the next four teams as they battle it out for a place in the final, and pop royalty Ronan Keating joins the star-studded panel to decide which team has won.

Adam Lambert, Beverley Knight and Jason Manford are joined once again by Ronan Keating to decide which team will go into the sing-off, and there's also a special duet performance.