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Leonardo DiCaprio, Tobey Maguire, Lukas Haas

Noel Vasquez/Getty Images

Talk about your star sightings!

The Staples Center in Los Angeles on Thursday night was packed with celebs watching the Lakers take on the Miami Heat.

Not only was Leonardo DiCaprio spotted hanging out with fellow acting pals Tobey Maguire and Lukas Haas, but Hilary Duff could also be seen cozying up to hubby Mike Comrie.

But wait, there's more!

Mark Wahlberg was on hand with his family to take in all the action while director Penny Marshall cheered on the boys in purple and gold as well.

And last, but certainly not least, the Lakers' most famous fan—Jack Nicholson.

Unfortunately, all that star power didn't quite pay off for the home team, which wound up losing 99-90.