Coldplay were joined by Natalie Imbruglia during the third of their six shows at London’s Wembley Stadium, where they paid tribute to Olivia Newton-John and performed Imbruglia’s hit ‘Torn’ together.Honouring the late Newton-John, who died last week at the age of 73, Coldplay and Imbruglia covered Grease number ‘Summer Nights’. Newton-John sang the song in the musical’s 1978 film adaptation, which she starred in as Sandy, alongside John Travolta.For their rendition, Imbruglia handled the role of Sandy while Coldplay’s Chris Martin sang the part of Travolta’s character, Danny, duetting on its shared chorus along with Jacob Collier.Before ‘Summer Nights’, Coldplay and Imbruglia also performed ‘Torn’, which Imbruglia popularised when she released her version of the Ednaswap song as her debut single in 1997.