Leonardo DiCaprio held a party for his 50th birthday on Saturday (November 9), and photographs from the star-studded event ...

And to celebrate his milestone 50th birthday, the "Oscar" winner threw a lavish party at a private residence in Los Angeles ...

For Leonardo's 50th birthday bash, celebrities included Brad Pitt, Katy Perry, Paris Hilton and Mark Ruffalo were photographed arriving at the venue.