The couple, who dated last year after filming their movie "The Words", had a reunion on May 30 night, reported New York Daily Post.
Cooper, 37, and Saldana, 33, looked pretty engaged at East Village Mexican restaurant Empellon Cocina as they had dinner for about two hours and left the restaurant together.
"It looked a little more friendly than a business meeting," a source said.
However, the representatives of both the stars are not available for comment.