Rosa Isabel Mutya Buena (born 21 May 1985) is an English recording artist who rose to fame as a member of girl group the Sugababes. With the Sugababes, Buena had four UK number one singles, an additional six top-ten hits and three multi-platinum albums. After leaving the group in December 2005, she released her debut solo album, Real Girl in June 2007. In October 2010, Buena released a compilation album dedicated to British singers, titled Sound of Camden: Mutya Buena.