Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Keisha Kerreece Fayeanne Buchanan (born 30 September 1984 in Westminster, London, England) is an English singer-songwriter. She was the longest-standing founding member of the BRIT Award-winning girl group the Sugababes. With the Sugababes, Buchanan had seven number one singles, and two number one studio albums, making the Sugababes one of the most successful female acts of the 21st century.