For those who have lost their loved ones, the tributes keep coming in.Olivia Newton-John.

At the third London stop Coldplay‘s Music of the Spheres world tour, the band brought out Natalie Imbruglia and Jacob Collier to perform a memorable tribute to the Grease actress, more than a week after she passed away following a 30-year battle with breast cancer. 

Imbruglia sang Newton-John’s part in their rendition of the hit song “Summer Nights” from Grease, while Coldplay’s lead singer, Chris Martin, covered John Travolta‘s part. Collier joined Martin with vocals in the chorus of the song.

On Aug. 8, Newton-John’s husband, John Easterling, shared that the actress died “peacefully” while surrounded by familyAnd friends. He also shared the progress his wife had made in fighting this disease. 

Easterling posted on Instagram, “Olivia is a symbol for triumphs and hope over thirty years sharing her battle with breast cancer.” Olivia Newton-John Foundation Fund was established to continue her pioneering work in plant medicine research and healing.