Question: What contestant from Britain's Got Talent was a guest vocalist on Johnny Mathis Christmas album titled Sending you a little Christmas?
Sentence (from "The Classic Christmas Album (Johnny Mathis album)"): The Classic Christmas Album is a Christmas compilation album by American pop singer Johnny Mathis that was released on October 7, 2014, by Columbia Records and includes two 1961 recordings that were previously unavailable: "Ol' Kris Kringle" and the original version of the title track from his 1969 Christmas album "Give Me Your Love for Christmas".
Relevant evidence: No