01. Elvis Presley - "Elvis' Christmas Album" (1957) - 10M
02. Kenny G - "Miracles: The Holiday Album" (1994) - 7.3M
03. Nat Cole - "The Christmas Song" (1963) - 6M
= Mannheim Steamroller - "Christmas" (1984) - 6M
= Mannheim Steamroller - "A Fresh Aire Christmas" (1988) - 6M
06. Josh Groban - "Noel" (2007) - 5.7M
07. Mariah Carey - "Merry Christmas" (1994) - 5.3M
08. Céline Dion - "These Are Special Times" (1998) - 5.2M
09. Babra Streisand - "A Christmas Album" (1967) - 5M
10. Johnny Mathis - "Merry Christmas" (1958) - 5M
http://www.billboard.com/articles/co...ms-of-all-time