Olivia Newton-John And Daughter Chloe Lattanzi Celebrate The World Premiere Of "You Have To Believe" Music Video At Share Nightlclub, Las Vegas In Honor Of Xanadu's 35th Anniversary [Getty Images]

LAS VEGAS, NV - AUGUST 09: Singer Chloe Lattanzi (L) and her mother, singer/actress Olivia Newton-John celebrate the 35th anniversary of "Xanadu" with the world premiere of their music video "You Have to Believe" at Share Nightclub on August 9, 2015 in Las Vegas, Nevada. (Photo by Bryan Steffy/WireImage) — see more

LAS VEGAS, NV - AUGUST 09: Singer Chloe Lattanzi (L) and her mother, singer/actress Olivia Newton-John celebrate the 35th anniversary of "Xanadu" with the world premiere of their music video "You Have to Believe" at Share Nightclub on August 9, 2015 in Las Vegas, Nevada. (Photo by Bryan Steffy/WireImage)

WireImage Bryan Steffy