Brad Pitt and Margot Robbie chat with USA TODAY’s Brian Truitt about the wild opening scene of their movie “Babylon,” and the definition of a “star.”

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Margot Robbie and Brad Pitt can’t get you into the most rip-roaring Hollywood parties, but with their latest film, “Babylon,” they can give you a taste of the singular magic of a movie set.

Art imitates stressful life in a massive scene early on during Damien Chazelle’s over-the-top ode to old Hollywood. In “Babylon” (in theaters Friday), filmmakers are trying to line up a key shot in a silent costume drama where A-list power player Jack Conrad (Pitt) plants a kiss on his leading lady just as extras bang around in swords and shields behind them, an orchestra plays, an explosion goes off and the sun sets – all at the same time. And that had to be like clockwork for Chazelle and Co., too.

“I’m so excited that people who aren’t in the movie industry can watch this and be a part of that moment,” Robbie says. “Because if I could give that to everyone in the world, I would.”

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