SIR Elton John sobbed last night after the world premiere of his soul baring biopic Rocketman at the Cannes film Festival.

The legendary singer, 72, left The Palais des Festivals in tears supported by his husband David Furnish, 56.

6 Elton John burst into tears after watching his soul baring biopic Rocketman for the first time at Cannes Film Festival Credit: Reuters

Taron Eggerton, 29, who portrays Elton in the highly anticipated movie was also in tears as they received a standing ovation.

Director Dexter Fletcher told the VIP audience: “We’re all blown away by your response.”

The screening, held on the second day of the 72nd annual festival, was the first time Elton had seen the film, which tells his life story.

He had been privy to the script however and told The Sun ahead of the event: “It’s definitely going to be a no-mascara night.”

6 Elton John was joined by his husband David Furnish, far right, and the film's stars Richard Madden, far left, and Taron Egerton Credit: Getty Images - Getty

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Elton also confirmed his tell all autobiography would fill in the gaps in the biopic, after producers had to cut out parts of the tale because of time.

He added: “There’s so much that’s happened in my life and it’s hard to fit it all in within the film.”

Elton has become close to Taron, as well as the film's other stars Jamie Bell and Richard Madden.

In an exclusive chat with The Sun, ahead of Cannes, Elton admitted: “I’m not really a mentor but I’ve become closer to Taron and I sat next to Jamie in the Oscar party

6 The legendary singer wore a specially made tux with sequinned writing on the back Credit: AFP

6 The screening was the first time Elton had seen the film, a biopic about his life Credit: Reuters

6 David beamed as he walked Elton along the star-studded carpet Credit: AFP

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“Richard is a friend now.

“I don’t see him much but he’s in Hollywood — he’s working hard and got lots of offers to do stuff.”

Rocketman is released in UK cinemas on May 22.