Ireen Sheer (born 25 February 1949) is a German-English singer. She had a top five hit on the German singles chart with "Goodbye Mama" in 1973. She went on to finish fourth at the Eurovision Song Contest 1974 representing Luxembourg, sixth at the Eurovision Song Contest 1978 representing Germany, and thirteenth at the Eurovision Song Contest 1985 representing Luxembourg again.

Source: Wikipedia (https://en.wikipedia.org/wiki/Ireen_Sheer)