Olivia Newton-John's iconic 'Grease' finale outfit could sell for $260,000

1:18pm PDT - October 29th, 2019    keith urban - CNBC

"I kept thinking that it would be a wonderful idea to auction off my ["Grease" finale] jacket and pants to raise money for my [cancer research] center," Olivia Newton-John, who played Sandy in the 1978 movie "Grease," told CNBC Make It. "Somebody had mentione…