Kylie Jenner and Timothée Chalamet Kiss at Knicks Game

and passionately celebrated his beloved New York Knicks securing a spot in the Finals on Monday.

The lip kit mogul and the Oscar nominee packed on the PDA courtside, locking lips the moment they realized the Knicks were headed to their first NBA Finals in 27 years, after sweeping the Cleveland Cavaliers.

Jenner rejoiced alongside the Dune actor, wrapping her arms around him as they shared a sweet kiss. 

The win marks the first time that the Knicks have reached the NBA's championship series since 1999. 

The  icon was ever the doting girlfriend as she joined Chalamet, even sporting a blue Knicks t-shirt for the occasion.

The mother-of-two has been to a number of games with the actor in recent weeks, despite the fact that he skipped her appearance at the to watch a Knicks game. 

Jenner completed her casual cool look with blue denim pants and black heels.

Meanwhile, the Marty Supreme star rocked a vintage-style black leather jacket, which was embroidered with New York's logo.

Jenner was recently seen smooching with Chalamet during his team's showdown against the Philadelphia 76ers earlier this month.

The smitten pair shared a number of kisses in their front-row seats as they took breaks from the action unfolding on court.