Olivia Newton-John’s dance-pop anthem “Physical” turned 40 this year — and it’s still as iconic as ever. The Australian singer, 73, looked back on the song’s legacy and revealed the lyrics may have ...

Olivia Newton-John is celebrating the most successful song of her career, "Physical," on the 40th anniversary of its release. It was her fifth No 1. single off her 11th studio album of the same name ...