Olivia Newton-John is auctioning her iconic outfit from 'Grease' for her cancer charity

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Olivia Newton-John and John Travolta in Grease (Credit: Paramount)

Olivia Newton-John is putting her iconic outfit from Grease up for auction, with the proceeds going to her cancer charity.

It's expected that the leather jacket and skin-tight trousers, which Newton-John had to be sewn into on set, could fetch up to £160,000 when they go under the hammer.

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The items are among a lot of 200 costumes and other items that the actress is auctioning, to raise money for the Olivia Newton-John Cancer Wellness & Research Centre in Melbourne, Australia, her hometown, which provides cancer treatment and education.

She's also selling off her original script from the movie, which is thought could make over £3000, and a 10-times platinum record for the film's soundtrack album.

Olivia Newton-John (Credit: AP)

Elsewhere, there's a custom-made Pink Ladies jacket, which was presented to Newton-John on set by the film's cast and crew, likely worth £3150.

The auction happens on November 2 in Beverly Hills, via Julien’s Auctions.

Speaking to Nine.com, she said: “I’ve decided it’s the right time to do some good and auction them off to benefit the Olivia Newton-John (ONJ) Cancer Wellness & Research Centre in Melbourne, Australia.

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“It’s exciting to know that the costume will have a bigger purpose. Grease changed my life, and now it can help change the lives of others too.”

Newton-John is currently undergoing treatment for breast cancer, after first beating it in the 90s.

She recently spoke out about her use of cannabis, grown by her husband, a natural health entrepreneur, to treat her symptoms.

She told People: “My husband hands me all these herbs every morning and makes me a green algae drink.

“He grows the plants and makes them into liquid for me. I take drops maybe four to five times a day. It has helped incredibly with pain maintenance and sleep. It’s an amazing plant, a maligned plant, but it’s helping so many people.”