Sienna Miller, 41, puts on a loved-up display with boyfriend Oli Green, 25, at New York Knicks game

Sienna Miller and her boyfriend Oli Green put on a loved-up display on Sunday as they chatted with Ben Stiller and his wife Christine during the New York Knicks game. The couple were clearly very immersed in the basketball match as they supported the New York Knicks in their battle against the Cleveland Cavaliers at Madison Square Garden with 20,000 fans. Loved-up: Sienna Miller, 41, looked loved-up as she held hands with boyfriend Oli Green, 25 at the New York Knicks game at Madison Square Garden on Sunday Celebrity audience: The couple were spotted alongside Ben Stiller and his wife Christine Taylor She wore a NY Knicks cap as she got into the spirit of the game, cheering on the team to a 102-93 victory. Important conversation: The actress leaned over Oli, while affectionately touching his knee, to animatedly discuss the game with Ben Getting into the spirit: The four threw their hands up in the air as they supported the Knicks to their 102-93 win Happy couple: Sienna and Oli have been dating since February 2022, despite him being 15 years her junior Making memories: The couple took pictures and selfies together as they made the most of the experience Stunning: The former Vogue model donned a leather jacket with green and red panelling, which she paired with wide-leg denim-style trousers Good game: The A-listers were thrilled as they cheered on the New York Knicks against the Cleveland Cavaliers Couple: Ben and Christine initially separated in 2017 after 17 years of marriage but reunited during the coronavirus lockdown Sightings: Comedian Pete Davidson was also spotted in the celebrity audience Victory: New York Knicks guard Josh Hart reacts after scoring in the second half of Game 4 But the pair proved that they were on friendly terms recently, as they partied at this year's Glastonbury festival this summer with their respective partners - Oli and Alexa Chung.