The 34-year-old former Spiderman star wanted to get back together with the La La Land beauty — but feels Theroux, 49, has ruined his chances, a source told Radar.
“Andrew’s been trying to cultivate another romance with Emma but Justin’s done everything he can to foil his attempts," the source said. "He's furious."
“He can’t stand Justin and doesn’t understand what Emma sees in him. Andrew knows they’ve had their problems, but he believed they were on their way to getting back together."
"He’s hoping this is just a fling and Justin doesn’t steal his girl away for good.”
Stone and Theroux were spotted leaving a Met Gala afterparty together, shared PDA in France, and even secretly met up at Jennifer Lawrence's NYC apartment last week.
Theroux was previously married to Jennifer Aniston, but the couple split in February.
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