Veronica Yvette Greenfield ~ (August 10, 1943 – January 12, 2022), known professionally as Ronnie Spector, was an American singer. Ronnie Spector, Christmas Medley on Letterman, December 18, 1987 Ronnie performs "Sleigh Ride/Frosty the Snowman" With backup singers Diana Grasselli and Maria Vidal.