Rosemary Clooney
From Muppet Wiki
Rosemary Clooney (1928-2002) was a singer and actress who appeared on Episode 3826 of Sesame Street singing with Hoots. She also appeared in the celebrity version of "Sing" with Herry Monster. She also appeared on the album and special A Rosie Christmas (on which Elmo also appeared) and had her recording of "I've Grown Accustomed to Your Face" performed by Kermit in drag in a famous Muppet variety show sketch.
