Sweet 7 is the seventh studio album by British girl group Sugababes, released on 5 March 2010 by Roc Nation and Island Records. Production for the album began in April 2009. Sweet 7 is the only Sugababes album to feature Eurovision Song Contest 2009 entrant Jade Ewen, who joined the group following the dismissal of founding member Keisha Buchanan in September 2009. As a result of the group line-up change, Sweet 7 was re-recorded to feature the vocals of new member Ewen and for the removal of Buchanan's vocals, making this the only Sugababes album that features none of the original members.