Billy Joel is 75 years and 7 month(s) old. He was born in 9 May, 1949. William Martin ""Billy"" Joel (born May 9, 1949) is an American pianist, singer-songwriter, and composer. Since releasing his first hit song, ""Piano Man"", in 1973, Joel has become the sixth best-selling recording artist and the third best-selling solo artist in the United States. His compilation album Greatest Hits Vol. 1
