Who is Sir Lion on 'The Masked Singer'? Popular TV Host Revealed During TV Theme Night

Sir Lion was Billy Bush!

Extra host Billy Bush was hiding under the mask!

“I’m not a great singer,” he said during the show, via Variety. “If you can’t make it with the lips, make it with the hips. If you’ve never done something that’s a little on the scary side — and this is scary — say yes!”

See who else has been unmasked during the latest season of The Masked Singer.