Nickelodeon superstar Jace Norman is transformed by a team of special effects artists.

A hidden camera prank show, where celebrities are transformed by a team.

John Cena is transformed by a team of special effects artists to go undercover.

Grammy Award-winning performer Ne-Yo goes under cover and pranks middle school students.

Using full costumes and prosthetics to hide her identity, WWE superstar Nikki Bella is transformed into three completely unrecognizable characters at Las Palmas Middle School in Covina, Calif., while sister Brie Bella directs from the control room.

Actor Rico Rodriguez goes undercover as The Substitute.