"Happy Birthday Baby", a song written by Barry Mason and Roger Greenaway, was a hit for Tony Christie in 1974. It was also a hit for Lee Towers in 1980.
The song was written by Barry Mason and Roger Greenaway. It was released in the UK on MCA MCA 157 in September 1974. The B side was "Who Am I Fooling". By December 21, 1974, Billboard Magazine had recorded the single at No. 10 in the New Zealand Top 10. It peaked at No. 7, and spent a total of seven weeks in the charts.
Towers' version peaked at No. 38 in the Netherlands in 1980, and spent five weeks in the charts.