Michael Jackson - Rock With You

Release date: 1979 
"Rock With You" reached number one on both the pop and R&B singles charts. According to Billboard, the song was the fourth biggest single of 1980. It is also considered one of the last hits of the disco era.
The original title was "I Want To Eat You Up," but it was quickly changed to fit Jackson's image as a wholesome heartthrob.
Album: Off the Wall