Beyoncé and Jay-Z hosted a star-studded Oscars after-party at the Chateau Marmont in L.A., with celebrities like Tina Knowles, Keke Palmer, and Timothée Chalamet in attendance. Vin Diesel, Taraji P. Henson, and Karrueche Tran were also spotted at the event. Singer Chappell Roan performed a duet with Elton John before joining the party. The night was filled with glam, star power, and Hollywood magic, making it a memorable Oscars celebration.