Singer Peter Andre pays tribute to Olivia Newton-John following news of her death.The British-born singer died "peacefully" at her ranch in Southern California on Monday morning at the age of 73, with her husband confirming her death on social media.

Singer Peter Andre pays tribute to Olivia Newton-John following news of her death.The British-born singer died "peacefully" at her ranch in Southern California on Monday morning at the age of 73, with her husband confirming her death on social media.