Jennifer Aniston loses it whenever she sees Brad's newborn!

Her close friend Tiffany Laws told the press: "Jen is simply heartbroken since Shiloh was born. She bursts into tears often, hoping Vince won't notice. Vince has been very sensitive about the whole thing.

"I think she had the feeling, 'That could have been my baby.'" Reported Entertainmentwise.
Source: entertainmentwise