"They remain close friends and are committed to raising their son together in New York City," their rep said in a joint statement. The pair has been separated for several months now.
Aronofsky, 41, directed Weisz, 40, in the 2006 film The Fountain. Weisz won the supporting-actress Academy Award for 2005's The Constant Gardener. Earlier this year it was announced that they'd be collaborating again on the movie Jackie, with Aronofsky directing Weisz in the role of Jackie Kennedy.
The couple began dating in 2001, were engaged in 2005, and they have a 4-year-old son, Henry Chance.