NBA Rookie of the Year Ben Simmons celebrated his 22nd birthday in Las Vegas over the weekend, hitting up both Drai's and TAO nightclubs, according to TMZ Sports.

Simmons was spotted partying with a unique cast of characters that included Meek Mill, New England Patriots owner Robert Kraft, Philadelphia Sixers co-owner Michael Rubin, and two-time NBA MVP Kevin Durant. Of course, Kendall Jenner was also on hand for Simmons' birthday celebrations. The duo have reportedly been dating since the end of May, following Simmons' short lived relationship with Tinashe

Check out the photos and footage in the posts embedded below.

On the eve of Simmons' 22nd birthday, 2K Sports revealed that the Australian cover athlete boasts an 87 rating just like his rookie counterparts, Jayson Tatum and Donovan Mitchell.

In his first healthy season in the NBA, Simmons appeared in 81 games for the Sixers, averaging 15.8 points, 8.2 assists and 8.1 rebounds en route to All-Rookie First Team honors. He also led the Sixers to third place in the Eastern Conference and their first playoff berth since the 2011-12 season.