In 2015, Olivia Newton-John bought a 12-acre Santa Ynez ranch for $4.69 million; 4 years later, the riverfront estate wa

In 2015, Olivia Newton-John bought a 12-acre Santa Ynez ranch for $4.69 million; 4 years later, the riverfront estate was listed for $5.4 million with a barn and pasture