Lewis's 2009 single "Happy" was a commercial success, reaching the top 40 in the UK and the top 20 on the US Billboard Dance Club Songs chart. The song showcased her ability to deliver upbeat dance-pop anthems.
- "Happy" was written by John SHINE and Leona Lewis herself. It was produced by Harvey Mason Jr. and Steve Booker.
- The song was the lead single from her second studio album, Echo, released in late 2009.
- "Happy" peaked at number 39 on the UK Singles Chart and number 15 on the US Billboard Dance Club Songs chart.
Leona Lewis is a British pop singer best known for her powerful vocal performances. She rose to fame after winning the third series of The X Factor in 2006.
Tracklist
