White Christmas (song) are the formats and track listings of single releases of "White Christmas". Crosby's "White Christmas" single has been credited with selling 50 million copies, the most by any release and therefore it is the biggest-selling single worldwide of all time. The "Guinness Book of World Records" 2009 Edition lists the song as a 100-million seller, encompassing all versions of the song, including albums. Crosby's holiday collection "Merry Christmas" was first released as an LP in 1949, and has never been out of print since. There has been confusion and debate on whether Crosby's record is or is not the best-selling
The Saturdays 24 March. During the midweek charts, the band were 30,000 copies ahead of Timberlake's track. The Saturdays revealed that they were due to call their upcoming fourth studio album "The Chase", but decided against the title. They also revealed that they would release another single from the album before the release of it. Aston Merrygold tipped the band to be the "biggest UK girl-group". "What About Us" charted at number-one on the UK Singles Chart, gaining The Saturdays their first number-one single, selling 114,000 copies in the first week of release and also becoming the fastest selling single of 2013.