The 40-year-old DJ was scheduled to appear at the world-famous music festival on Worthy Farm, but he decided to back out of his scheduled appearance in order to witness Joe Jonas and Sophie Turner tie the knot.
A source told The Sun on Sunday: In their eyes, its unprofessional when he was one of the first names announced. It is a bit of a no-no.
Hes not likely to be invited back for a while.
By contrast, Sophies Game Of Thrones co-star Emilia Clarke did attend Glastonbury rather than being at the wedding.
Joe and Sophie, 23, tied the knot in front of family and friends at an intimate ceremony at Le Chateau de Tourreau on Saturday in Sarrians, France.
Sophies maid of honour was her co-star and best friend Maisie Williams whilst Joes brothers Nick and Kevin attended with their wives, Priyanka Chopra and Danielle Jonas respectively.
They were joined at the wedding reception by fellow guests Ashley Graham and husband Justin Ervin.
Joe and Sophie legally married in May in Las Vegas and Diplo was accused of ruining the surprise ceremony by posting it live to Instagram.
Glastonbury coverage airs on BBC One today at 6pm.
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