People confirms that the couple, who began dating last September after they finished filming Mother! together, have broken up.
Jen, 27, and Darren, 48, kept their relationship under wraps during the press tour for their film and only posed together at the New York premiere of the film.
Before Darren, Jen was linked to Coldplay frontman Chris Martin in 2015, after spliting from her on-off boyfriend Nicholas Hoult in 2014. Aronofsky was previously in a long-term relationship with actress Rachel Weisz, with whom he shares a 10-year-old son.
We're sad for the actress, though we can't wait for the return of the hilarious single J-Law anecdotes.