Jeremy Renner and Sonni Pacheco welcome baby girl Ava Berlin Renner

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Jeremy Renner and his girlfriend, Sonni Pacheco, are the proud new parents of a baby girl, Ava Berlin Renner. A rep for the "Hansel & Gretel: Witch Hunters" star tells Us the 7 lb. baby was born Thursday (March 28). "They are beyond thrilled," says the rep of Renner and Pacheco. "Mother and daughter are doing great."

Since Renner's rep refers to Sonni as Jeremy's "girlfriend," that must mean pregnancy brought them back together. Us previously reported the pair had gone their separate ways after dating casually, until Renner found out Pacheco was pregnant and moved her into his home.

Now that she's officially coupled up with Jeremy and a baby makes three, perhaps Sonni can give up her career as a wet t-shirt girl and energy drink promo girl. Yes, indeed. Before becoming Jeremy Renner's baby mama, Vancouver-born Pacheco was best known for her turn as "Splendid Wet T-Shirt Girl" in 2009's straight-to-video classic,  "American Pie Presents: The Book of Love." Ah, the American dream ...

As for Renner's next career move, the Academy Award nominee is currently working on a film with David O. Russell of "Silver Linings Playbook" fame, and is expected to return for "The Avengers 2."
Photo/Video credit: Getty Images