Jennifer Aniston Cheers to Jeers ... In Under 10 Secs. Flat!

4/14/2016 9:25 AM PDT

Jennifer Aniston Goes from Cheers to Jeers In Under 10 Seconds Flat!

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Jennifer Aniston was way more than fashionably late for the premiere of her new flick "Mother's Day" ... and fans outside made her pay the price.

Watch what happened when she stepped out of her ride and gave a little wave. The crowd absolutely turned on a dime ... before Jen rushed inside the theater.

We're told the reception inside wasn't much warmer. Sources inside the event tell us some of Aniston's high-profile co-stars -- who'd been inside waiting for an hour -- were pissed she made everyone wait.