Oscars Killer Party Draws Huge Celebs

The Hollywood Hills was alive and kicking Friday night with a mansion packed to the gills with celebs.

Check out the video ... Kourtney Kardashian, Russell Crowe, Denzel Washington, Lenny Kravitz, Courtney Love, Cam Newton, Oshea Jackson, Jr., Serena Williams, Sly Stallone, Idris Elba, Tyler the Creator and Carl Weathers ... and those are just the ones we got!

William Morris/Endeavor knows how to throw a party.