Pauline Matthews, known professionally as Kiki Dee (born 6 March 1947, Little Horton, Bradford, West Riding of Yorkshire, England), is an English singer with a career spanning more than 40 years.
She is best known for her 1976 duet with Elton John, entitled "Don't Go Breaking My Heart", which went to Number 1 both in the UK Singles Chart and the U.S. Billboard Hot 100 chart. In 1993 she performed another duet with Elton John for his Duets album, a cover version of Cole Porter's "True Love", which reached No. 2 in the UK.