Fox's wild and bizarre reality singing competition managed to convince a surprising number of celebs to put on elaborate costumes and sing their hearts out on TV for the chance to win a Golden Mask ...

It was "Barbie Night" on a very pink Masked Singer as Bluebell, Chess Piece, Goo, and Wasp battle it out -- who got cut short of next week's Group B Finals, and were any of the panel's guesses like ...