 Lauren McKenzie tweeted: Jellyfish is 100 per cent Amber Riley! Id know that voice ANYWHERE TheMaskedSinger. sic Emily shared: Amber Riley has just won the US version of this show as Harp BUT that would be a good cover for her to be on the UK one too. I thought it mightve been Michelle Williams ... The Masked Singer fans expose Jellyfishs identity as Glee star... 