Keisha Kerreece Fayeanne Buchanan (born 30 September 1984) is a British singer and songwriter and was a founding member of the girl group Sugababes alongside Mutya Buena and Siobhán Donaghy. With the Sugababes, Buchanan had six number one singles and two number one studio albums, making the Sugababes one of the most successful British pop acts of the 21st century. Buchanan was asked to leave the group in September 2009 and was replaced by Jade Ewen. In October 2019, Buchanan returned to the group alongside the other two original members.