It’s over between Amanda Seyfried and Ryan Phillippe.

After just three months of dating, the movie stars have officially called it quits, a source has revealed to US Weekly.

“They are not dating anymore. And it’s not a big deal for either of them,” the source said.

In the new issue of US Weekly, a witness tells the mag that 36-year-old Phillippe was trying to hit on 22-year-old Rihanna at a pre-Grammy event in Los Angeles last weekend.

“He said something to the effect of, ‘What are you doing tonight?'” the witness said. “At one point, there was a chance it would develop into something more serious, but it never did,” a second insider explained.

Thoughts?

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