Question: all singers that have been unmasked?
Answer: Lil Wayne. MASKED SINGER: The Robot in the Season Three premiere of THE MASKED SINGER airing Sunday, Feb. ... 
Drew Carey. ... 
Chaka Khan. ... 
Tony Hawk. ... 
Dionne Warwick. ... 
Tom Bergeron. ... 
Sarah Palin. ... 
Bella Thorne.