“The one thing that Justin was always insecure about was her relationship with Brad,” a source close to Theroux said.
As previously reported, Aniston turned 49-years-old on Feb. 11 and spent the occasion without Theroux, who jetted off to NYC. Instead, she was surrounded by gal pal Courteney Cox, 53, among others.
According to the source, “Her intense talks with Brad is what drove him to leave her this week. He ditched her on her birthday and went to his place in New York. She was basically forced to spend it with her friends.”
“While celebrating with her friends, she was an emotional train wreck and she called him while she was with her friends still,” the insider told Radar.
“But it was too late. Brad was the final straw for Justin. At this point, he really believes that her and Brad will get back together.”
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