Scott Disick brought in 2016 with a Vegas party at 1Oak Nightclub just over a month after completing rehab

By Michael Miller and Michele Corriston
Updated January 01, 2016 09:40 AM
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Credit: David Becker/WireImage

Scott Disick concluded his roller coaster of a year with a party fit for a lord.

The Keeping Up with the Kardashians star hosted a New Year’s Eve bash at the 1Oak Nightclub located inside The Mirage Hotel & Casino in Las Vegas on Thursday night.

Disick was photographed holding a celebratory cake while surrounded with women and hyping up the crowd yelling into a microphone.

One person missing from the Sin City bash was ex-girlfriend Kourtney Kardashian, who opted to spend celebrate New Year’s Eve at home with their kids Mason, 6, Penelope, 3, and Reign, 1 – plus her sister Kim Kardashian West.

Kardashian, 36, tweeted that was feeling “a little sick” but rallied to celebrate 2016 with a smooch from baby Reign.

Disick’s party – which boasts “libations by some of Vegas finest bartenders,” according to the invitation – comes a little over a month after the father of three completed a stint in rehab for his struggles with alcohol.

The reality star was forced to cancel a previous appearance at the club in July after he and Kardashian broke up. Disick began spiraling out of control over the summer following the death of both his parents and the birth of Reign. His rocky nine-year relationship with Kardashian came to an end after photographs surfaced of Disick partying with another woman in Monte Carlo.

Despite the split, Kardashian brought their children to visit their dad during his stay at Cliffside Malibu in November, and Disick was even invited to Kris Jenner’s annual Christmas Eve party.

While the former couple has put the drama aside for the holidays, sources say Disick has been struggling with the news of Kardashian’s unexpected flirtation with Justin Bieber, 21.

“Of course it stings a bit that Kourt is hooking up with Bieber. But Scott also knows his place and that he doesn’t have the right to have a fit about it,” another source told PEOPLE. “He is convinced Kourt is doing it to hurt him. And she succeeded.”