Michael Schneider Variety Editor at Large “The Masked Singer” didn’t have to look far to find a fill-in for panelist Nicole Scherzinger, who spent the fall starring in Andrew Lloyd Webber’s Sunset Boulevard on London’s West End. Singer/songwriter Rita Ora has served as a panelist on “The Masked Singer UK” for several seasons — making it an easy trip across the pond to take Scherzinger’s chair alongside Ken Jeong, Jenny McCarthy Wahlberg and Robin Thicke. U.S.