The Hollywood A-lister appeared to be in hiding sitting next to "Entourage" star and lifelong Islanders fans Kevin Connolly, with a Cal baseball cap pulled down over his face.
When the camera found DiCaprio, Islanders TV play-by-play announcer Howie Rose made a reference to reclusive billionaire Howard Hughes, who was played by DiCaprio in the 2004 film "The Aviator."