Leonardo DiCaprio and Armie Hammer have filmed a passionate kissing scene for “J. Edgar”!

E! Online’s Marc Malkin reports: From what we hear, it sounds like things got pretty hot and heavy between the two men with a source saying: “It was on Friday when they had their kissing scene, and it was very passionate.”

The gifted Leonardo DiCaprio, who played gay in Total Eclipse many years ago, stars in the film as late FBI boss J. Edgar Hoover. Armie Hammer is on Hollywood’s A-list after his breakthrough in The Social Network. He plays Hoover’s protégé and rumored lover Clyde Tolson.