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Angelina Jolie didn't collapse on the New York City set of Salt despite widespread internet reports, a movie rep tells

"I can confirm that those rumors are in fact not true!" a rep from Sony, the studio behind the action-thriller, tells Us.

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Now magazine reported earlier this week that filming "got too much for Angelina. She collapsed between takes, complaining of shortness of breath and dizzy spells.

"To be fair, it was after she'd filmed a strenuous scene in which she ran around the set, but it was still shocking to see her crumble...there was something very wrong with her fitness levels if she couldn't handle a couple of action scenes," the magazine continued.

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Jolie -- who plays Evelyn A. Salt, a rogue CIA operative trying to clear her name -- appeared healthy on the Staten Island, New York set Tuesday, where she was photographed in a fur-trimmed poncho and matching Russian hat.

She's been shooting since February in both Washington D.C. and New York, where she is temporarily living with beau Brad Pitt and their six kids.

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The film -- which costars Liev Schreiber as her supervisor in the CIA's Russia office -- opens in 2010.