Olivia Newton-John, Cliff Richard

Dolly Parton, Olivia Newton-John

Olivia Newton-John, Michael McDonald

Olivia Newton-John, Chloe Lattanzi

John Travolta, Olivia Newton-John

Olivia Newton-John, Paul Anka

Olivia Newton-John, Barry Gibb

Olivia Newton-John, Jim Brickman

Olivia Newton-John, David Foster

Olivia Newton-John, Vanessa Amorosi

Olivia Newton-John, Jon Secada

Olivia Newton-John, Tina Arena

Olivia Newton-John, Richard Marx

Olivia Newton-John, Kelly Lang

Olivia Newton-John, Amy Sky, Beth Nielsen Chapman

Olivia Newton-John, Delta Goodrem

Olivia Newton-John, Mariah Carey