We all know it's not unusual for a baby to steal a scene in a movie. We see that happen. But don't work with them. But a fake baby? Now, that turned into a real scene stealer. T.j.'s in the social square square with that. Robin, Bradley cooper's performance being called a performance for the ands good enough to earn him on Oscar nomination but not good enough to make a fake baby look real. There's plenty of buzz and controversy over "American sniper" but moviegoers are highlighting one flaring issue in particular. Do you see it? The baby. It's a fake. It's a prop doll. For one minute and 13 seconds Bradley cooper pats, cuddles and cradles and oh, so gently lays down that fake baby now Twitter erupting with #fakebaby. Do not not trust Bradley cooper with a real baby? Had cpr class the other morning and found the baby used in "American sniper." Everyone is so used to seeing things realistic. You don't expect to see a prop doll. Reporter: This is the latest prop problem eagle-eyed fans have caught. Remember this seen from "Gladiator." I'm pretty sure the chariots weren't fueled by gas engines during the battle of carthage? I take that as a compliment. Must have said it wrong. It's not just movies. "Doun T "Downton abbey" fans spotted a plastic water bottle. "American sniper" screenwriter Jason hall writing in a since deleted tweet, real baby number one showed up with a fever. Real baby number two was a no-show. Clint voice, gimme the doll, kid." Part of the problem, there are strict laws in California, you have to be 15 days ole at least, and you can only work a couple of hours a day between 9:30 and 11:30 and 2:30 so to 4:30 so there was strict guidelines. That one looks more real. It is make-believe.