One of 12 all-girl groups to have a number one single, and one of seven to have a number one album, The Sugababes are just one of three to have simultaneous number ones, along with The Spice Girls (who also did it twice) and Atomic Kitten. The Sugababes' double comes courtesy of single About You Now (on its third week at number one) and Change, which enters the album list at number one.

The sixth album to debut at number ...