Now 67, Newton-John is rarely seen on the big or small screens in the United States, but she continues to tour around the world performing her music. In 2012, Olivia teamed up with her friend and "Grease" co-star John Travolta for the holiday album "This Christmas," which benefited The Olivia Newton-John Cancer & Wellness Centre and the Jett Travolta Foundation. In 2014 she held a residency at the Flamingo Las Vegas, and released an EP entitled "Hotel Sessions." —XFINITY Entertainment Staff (Photo: Ethan Miller/Getty)
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