At the electrifying Game 4 of the Knicks-Celtics Eastern Conference semifinals on Monday, Timothée Chalamet wasn't just a spectator—he was a storm of energy at Madison Square Garden!

Joined by his girlfriend Kylie Jenner and her sister Kendall, the Oscar-winning actor could hardly contain his excitement as the Knicks scored a thrilling 121-113 victory, taking a commanding 3-1 lead in the series. Chalamet was on his feet, bouncing around and soaking in the atmosphere as the game unfolded.

In a moment of pure enthusiasm, Chalamet dropped to one knee in celebration, pumping his fist into the air, while Jenner, donning a Knicks cap, watched with a proud smile, sipping her drink. As the Knicks secured a crucial basket, he affectionately kissed her cheek, showcasing their adorable chemistry.

Fans on social media quickly picked up on the romance, with one tweet humorously advising, "Find someone who looks at you like Kylie Jenner looks at Timothée Chalamet watching the Knicks." It's clear her admiration for him—and his love for the team—was undeniable.

Chalamet didn’t shy away from the cameras either; he cheekily waved his Knicks cap during a Jumbotron moment that featured a clip from his film 'A Complete Unknown'. The excitement only escalated when he celebrated the victory alongside Knicks superfan Spike Lee, who was also enjoying the game from celebrity row.

As the game concluded, Chalamet shared a warm hug and handshake with Knicks star Karl-Anthony Towns, who contributed an impressive 23 points to the team's triumph. All-Star guard Brunson also shined, racking up 39 points and 12 assists, sealing the deal for New York in this knockout battle.

With all eyes glued to him and Jenner, it was a night of basketball brilliance and undeniable chemistry, leaving fans eagerly anticipating what the Knicks will do next—and just how the star couple will continue to captivate!