Earlier this week, we compiled all of the wonderful things Jennifer Lawrence and her Hunger Games co-star Woody Harrelson have said about each other. Harrelson is not the only recurring co-star in Lawrence’s life, though. The Oscar-winning actress has shared the screen with Bradley Cooper two times—in Silver Linings Playbook and American Hustle—and re-teams with him in Susanne Bier’s upcoming drama Serena. In a new behind-the-scenes video from their latest collaboration, the two pay adorable tribute to each other amid B-roll footage of them goofing off on-set.

“I’ve sort of hit the jackpot [in] being able to work with Jennifer Lawrence,” Cooper says. “Once she breathed life into this character, it becomes much more dimensional. It would be easy to portray her as a stock character. And there’s just not one moment where you don’t believe that she is a human being.” In the film, Lawrence and Cooper play newlyweds running a timber business in 1930s North Carolina. Complications ensue when Cooper’s character realizes that Lawrence’s cannot have children.

“She is a wonderful, wonderful asset,” Cooper continues. “Her probably biggest asset is her level of relaxation when she acts. . . . It’s a very thrilling thing to be a part of, as a partner in the scene [who] takes you into the scene. Very much like Robert De Niro. They’re very similar that way.”

Lawrence returns the praise: “It’s so easy because a lot of times when you are filming a movie with somebody, you’re kind of getting to know them at the same time. [And with] this movie, we’ve already worked together. . . . We already know each other so well. It was so easy to just jump into it.”

“He’s hilarious,” she adds. “That makes it easier, too. The character in your head that you picture when you’re reading . . . and then Bradley shows up on set and blows that completely out of the water.”

Serena will open in the U.S. on February 26, 2015.

Related: A Brief History of Jennifer Lawrence and Woody Harrelson’s Love for Each Other