 Samantha Womack played Sandy in Grease and the White Witch in Alice in Wonderland panto Fawn MaskedSingerUK, Debbie theorised. After her performance, Fawn teased the judges and viewers even further with a riddle. She said: I live in a cottage, but not in a palace... I visited Wonderland, but my name isnt Alice. Amongst the ... The Masked Singers Fawns identity exposed as Countdown star... 