Natalie Portman Will Give You Chills in the New Jackie Trailer

If you thought Natalie Portman gave a haunting performance in Black Swan, you're in for another heavy dose with the new Jackie trailer. The Oscar winner tackles the difficult role of playing the grieving First Lady Jacqueline Kennedy after President John F. Kennedy's assassination and does so with heart-wrenching accuracy.

In latest trailer, we hear more of Portman's voice replicating Kennedy's affected dialect. "People like to believe in fairytales," she says. "I believe that the characters we read about on the page end up being more real than the men who stand beside us."

Gunshots ring out, and the trailer jumps to moments after the president's assassination as a bloodied Jackie holds her husband's body. "I'm saying, 'Jack, Jack, can you hear me,'" the mourning wife recalls.

The movie follows Kennedy as she struggles to accept her husband's death while simultaneously maintaining her public appearance and helping to shape Kennedy's presidential legacy. "I lost track somewhere, what was real, what was performance," she says.

VIDEO: Natalie Portman on Becoming Jackie and Capturing the "Most Awful Emotions" in That Historical Scene

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"There are many books, there are many interviews . And she edited her interviews," Portman told InStyle at the Toronto International Film Festival earlier this year. "I think that was most helpful because there are big sections that are deleted and it says, 'This portion has been deleted by Jackie,' and it gives you a little imagination where you can kind of fill in these blanks, and it's kind of a detective story ... imagining what she wouldn't want out there ."

The divide between the First Lady's public and private personas is touched upon in the moving trailer as well. "I'm guessing you won't allow me to write any of that?" a journalist asks her.

RELATED: Watch Natalie Portman as Jacqueline Kennedy in the First Trailer for Jackie

"No, because I never said that." Watch the hauntingly good new trailer at top.