The Bee Gee star, who performed many times with Olivia Newton-John, gave a statement referring to her as his 'sister'.

'Devastated' Barry Gibb breaks silence on Olivia Newton-John's death: 'She was my sister'

Barry Gibb

Elton John appeared on TV special Olivia Newton-John: Hollywood Nights when she invited him to come on stage and play a special version of his 1973 hit, 'Candle In The Wind.'

When Olivia Newton-John joined Elton John for a breathtaking stripped-back version of 'Candle In The Wind'

Dame Olivia Newton-John was last seen on stage by fans in 2020 – two years two years before her death in August 2022, aged 73.

Watch Olivia Newton-John's jaw-dropping final performance before her death

Grease actress, Didi Conn, has spoken out about the final touching text messages between her and Dame Olivia Newton-John before the singer died on August 8, 2022.

Grease 'Frenchy' star Didi Conn shares touching final message from Olivia Newton-John

Olivia Newton-John committed a huge portion of her personal fortune to her cancer foundation and wellness centre.

Olivia Newton-John's incredible final act of charity before her death revealed

The two icons then sang the famous hit together and coming together at the end to hold their hands high in the air, were met with screams of delight from the Australian audience.

Relive Mariah Carey and Olivia Newton-John’s rarely heard duet of ‘Hopelessly Devoted To You’

Olivia and Barry performed 'How Can You Mend A Broken Heart' in Australia at Sound Relief in 2009

When Barry Gibb and Olivia Newton-John sang 'How Can You Mend A Broken Heart' and it was spectacular

Barry Gibb

The pair were celebrating the release of Grease on DVD in 2002 when the spectacular moment took place 24 years after they fell in love on screen as Sandy and Danny Zuko.

When Olivia Newton-John and John Travolta reunited after 24 years to sing ‘You’re The One That I Want’

The love story between Olivia Newton-John and John Travolta in 1978's box office hit movie Grease has kept audiences enraptured for over 40 years.

Did Olivia Newton-John and John Travolta ever date? When 'Grease' stars revealed what really happened on set

John Travolta and Olivia Newton-John were great friends

Olivia Newton-John: John Travolta leads tributes with emotional post about his Grease co-star

Olivia Newton-John has died

Olivia Newton-John has died, aged 73

The energy between Olivia Newton-John and Andy Gibb is palpable and lead to them recording a single for Andy's new album just a few months later.

When Andy Gibb and Olivia Newton-John sang a sizzling duet of Bee Gees hit ‘Rest Your Love On Me’

Michael Ball, Celine Dion and Olivia Newton-John all did Eurovision in the past

14 singers you totally forgot did Eurovision (or failed to get there)

Eurovision

Vidoe has resurfaced of Olivia Newton-John and John Travolta laughing hysterically during a Grease interview in 1983 (pictured)

Olivia Newton-John and John Travolta get the giggles as adorable Grease interview descends into chaos

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Can you guess which is the best-selling movie soundtrack of all time?

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TV & Film

Olivia Newton-John in 2013

Olivia Newton-John says she is feeling "very good" in ongoing cancer recovery