No word yet on how far along she is, and Johansson's reps did not immediately respond to The Times' requests for comment.
Johansson and the French journalist took their romance public in November 2012 and, last September, the 29-year-old beauty's rep confirmed the couple's engagement.
The actress said their nuptials were "far off" (and maybe even further now, given the recent news) during a January appearance on "Good Morning America" when she was promoting her controversial Super Bowl commercial for SodaStream.
"I'm not doing any wedding planning," she said on the show. "That's far off my mind right now."
The former Oxfam ambassador was previously married to actor
The "Don Jon" star was dubbed Esquire magazine's Sexiest Woman Alive last year for the second time. The comely accolade was not lost on her either.
"You know, I gotta hustle. I'm a 28-year-old woman in the movie business, right?" she told the mag.
"Pretty soon the roles you're offered all become mothers. Then they just sort of stop. I have to hedge against that with work — theater, producing, this thing with Esquire."
Funny how life resembles art sometimes...
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