How Ryan Phillippe's Ex Blindsided Him W/ Baby

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When pregnant actress Alexis Knapp announced that she was carrying Ryan Phillippe's child at a Hollywood bash in mid-February, it was a complete shock to everyone -- including the alleged dad-to-be!

A source tells the new Us Weekly that Phillippe (who wasn't present at the bash) was blindsided when he heard second-hand about Knapp's very public bombshell. "Alexis hadn't even talked to Ryan before that party," a second source says.

As Us Magazine first reported on Monday, the Lincoln Lawyer actor, 36, "doesn't know if he's the father," the first source says, but plans to take a paternity test.

Credit: Us Magazine