Timothée Chalamet has left girlfriend Kylie Jenner "fuming and heartbroken" after refusing to talk about her in his new Vogue cover interview – a move RadarOnline.com can reveal has sent speculation into overdrive Hollywood's most glamorous young couple may be on the rocks.

The 29-year-old Dune actor graces the December issue of Vogue , but fans quickly noticed what was missing – any mention of Jenner. Article continues below advertisement

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He and Jenner, who once flaunted their whirlwind romance from Paris to the south of France, have barely been seen together in recent months.

With Chalamet dodging questions abou

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