The duo stepped out for their debut photo call at the Venice Film Festival, but was against posing as a couple as they were joined by other co-stars of the film, reports E online.
The plot follows a young woman whose tranquil life with her husband at their country home is disrupted by the arrival of a mysterious couple.
The film was selected to compete for the Golden Lion at the '74th Venice International Film Festival.'
The Oscar-winning actress met her 48-year-old boyfriend while she was filming for the psychological horror film and the two had been dating since September 2016.
Lawrence has previously dater her 'X-men' co-star Nicholas Hoult and 'Coldplay' frontman Chris Martin, while Aronofsky was previously engaged to British Actress Rachel Weisz, with whom he has a 11-year-old son. (ANI)