LAS VEGAS, NV - JANUARY 23: Entertainer and honoree Olivia Newton-John attends Nevada Ballet Theatre's 32nd annual Black & White Ball at Wynn Las Vegas on January 23, 2016 in Las Vegas, Nevada. (Photo by David Becker/Getty Images)
LAS VEGAS, NV - JANUARY 23: Entertainer and honoree Olivia Newton-John attends Nevada Ballet Theatre's 32nd annual Black & White Ball at Wynn Las Vegas on January 23, 2016 in Las Vegas, Nevada. (Photo by David Becker/Getty Images)