Posted on Wed Mar 16, 2011 09:53 AM PDT
Model Alexis Knapp only dated Ryan Phillippe for a few months, but the stunning brunette is claiming she's carrying his baby. The two split in September 2010.
The mommy-to-be made the big announcement at a Hollywood party last month. "Alexis hadn't even talked to Ryan before that party," a sources tells Us.
The 36-year-old Lincoln Lawyer actor is already father to daughter Ava, 11 and son Deacon, 7 ... whom he had with ex Reese Withersppon.
As for how he's handling the news, the source adds:
- "If it's his, he'll take responsibility. Reese has been really supportive. She knows that Ryan is a good dad and she respects that."
Phillippe is currently dating Amanda Seyfried. Witherspoon is engaged to fiance Jim Toth. Find out when they're tying the knot ... after the jump.
Reese and Jim are reportedly getting married March 26.
Ryan Philippe Spends The Day With Ava And Deacon - Jul 28, 2012
Ryan Phillippe Takes His Son Deacon And Girlfriend Grocery Shopping - Jun 19, 2012
Cuties On The Sidelines - Jun 02, 2012
Ryan Phillippe And Paulina Slagter: Still Going Strong - Apr 05, 2012
Ryan Phillippe Flexes His Sexy Muscles After The Gym - Jan 20, 2012