By Jasmine Allday The Masked Singer have rumbled Air Fryer as a Hollywood star from one of the biggest movies of the last few years. Fans are convinced Air Fryer is actually Keala Settle, who is best known for her appearance alongside Hugh Jackman, Zac Efron and Zendaya in The Greatest Showman. Keala rose to fame when she starred as the bearded lady in the hit movie musical, with fans convinced it must be her hiding behind the Air Fryer mask. Tonight, she sang Defying Gravity, with the judges left speechless by her voice. The clue she gave tonight was ‘Sister Act’, and Keala has appeared in th…