Inside Leonardo DiCaprio's Star-Studded 50th Birthday Bash

Leonardo DiCaprio threw a star-studded party with free-flowing champagne to celebrate his 50th birthday this past weekend.

The Titanic star, who turns 50 Monday (Nov. 11), hosted a glitzy bash at a private residence in Los Angeles on Saturday night (Nov. 9) with pals including Katy Perry, Steven Spielberg, Robin Thicke, Mark Ruffalo, Tobey Maguire and Paris Hilton all in attendance.

According to Page Six, the night "kicked off with an intimate dinner catered by Nobu".

The fancy dinner was followed by a party with singer and record producer Anderson .Paak and DJ Meel both taking turns on the decks. Cake and Telmont champagne were served throughout the night.

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"[Leonardo] had a family and friends dinner first, and then after was the big party... He was incredibly happy and hugging all his guests. Leo was on a high the whole night," an insider told People.

"[Brad Pitt] was in the front patio of the party the entire night. He was in a great mood, was super social and greeting everyone... Jamie [Foxx] was holding court in one part of the party, and [director] Todd [Phillips] was holding court in another... A lot of Leo’s old school friends were there, a lot of producers and directors," a source told the outlet.

Benicio del Toro, model Cara Delavigne, director Todd Phillips, rapper Tyga, MMA fighter Chuck Liddell and actor Emile Hirsch are also said to be among some of the guests.

Page Six notes the party was kept private with guests being asked to cover the cameras on their phones with stickers courtesy of exclusive Hollywood members club San Vicente Bungalows.