Natalie Portman pregnant with her second child

Congratulations to Natalie Portman! The actress debuted more than just her new film Planetarium at the Venice Film Festivalon Thursday (Sept. 8) as she stepped out in a stunning one-shoulder white Dior gown that showed off her growing baby bump.

TAP FOR GALLERY Natalie sported what appears to be a baby bump on the red carpet.

The Oscar winner and her husband Benjamin Millepied are already parents to five year old Aleph, who they welcomed in June 2011. Natalie stayed mum on the subject as she posed with her equally glamorous co-star Lily Rose Depp.

The actress posed with co-star Lily Rose Depp.

The 35-year-old has been one fashionable force in Venice, showing off a parade of stylish ensembles including a black and white lace creation by Valentino at last night's premiere for her biopic Jackie. The actress is set to arrive in Canada in the coming days to support both films as they screen at this year's Toronto International Film Festival (TIFF).

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Earlier this year, the Thor star opened up to New York Times magazine about how parenthood has changed the way she approaches her career. “I think being a mother made me realize how maternal the role of director is,' she told the publication, adding, "It made me much calmer under stress because there’s that weird parent thing you develop, that when things get really bad, your voice gets calm and your blood pressure slows and you can make everything okay again. And things get bad and stressful easily on films.”

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