This is the GREATEST thing ever! You can actually go see GREASE this weekend at any of the AMC theaters as they are paying tribute to her by showing the movie at many of their locations. It will cost you $5 with $1 of every ticket going to the AMC Charity AMC Cares. That money will then be donated to breast cancer research. The film will start showing at participating AMC locations August 19th. Olivia-Newton John Died at the age of 73 due to a long battle with breast cancer.