It has been reported that the pair were introduced to her each other by Lawrence's best firend and date to the 2014 Oscars, Laura Simpson.
In September, Lawrence had brought Maroney as her date to the NY premiere of The Favourite.More news: We rearrange President Trump's workday schedule to make him more productive
The couple were spotted dining together in NY at Raoul's, with Jennifer seen showing off a "giant rock" on her finger.
The 28-year-old Hunger Games star sparked engagement rumours after she was seen wearing a ring on a night out with Mr Maroney, a 34-year-old art dealer, in NY last weekend. The ring was very noticeable.More news: Days After Trump’s Warning, Iran Tests New Long-Range Cruise Missile
There are no reports on when Cooke Maroney, an art director at the Gladstone gallery in NY, popped the question to Jennifer Lawrence. "She was wearing a cute black dress with white polka dots", it added. They seemed like they were celebrating and people were talking about it, ' said the source.
For Jennifer, the romance begun just months after she split from Mother! director Darren Aronofsky, 49, in November 2017 after dating for about a year.More news: ALP forces suffer casualties in Taliban attack in Baghlan province
She also dated Chris Martin after the Coldplay singer's divorce from Gwyneth Paltrow and Lawrence was on and off with her X-Men co-star, Nicholas Hoult. Her upcoming film Dark Phoenix is scheduled to release later this year. Lawrence will reprise her role of Raven Darkhölme / Mystique in the superhero movie.