By Jasmine Allday The Masked Singer has booted out its third celebrity – as Rat was unmasked as Shirley Ballas. Tonight, five more celebrities took to the stage under the safety of their masks to try and keep their identity a secret. However, one celebrity was forced to remove their mask this evening after losing out to the judges’ vote. Dippy Egg was the first to perform, with guesses from the judges – including guest judge Olly Murs – including Dan Walker, Ed Balls as well as Matt Lucas, whilst after a ‘clown chums’ clue, Mo was convinced it might be Stephen Mulhern. Next to perform was Mayp…