Michael Bublé Looks Unrecognizable As He Goes Undercover For Hidden Camera Prank!

LOLz nice man bun, Michael Bublé!
While filming a hidden camera prank for BBC in London last week, the 41-year-old singer went undercover as a sales assistant in the John Lewis department store -- and his interesting look definitely made us do a double take!
Related: Michael's Next Big Song Is Written By These BIG Stars!
The Feeling Good crooner, who is set to go on the road for his upcoming tour, dressed in an oversize blue suit, pulled his hair in a top knot, and threw on some black ear