Sydney Sweeney hosted a surprise pre-birthday party for her boyfriend, Scooter Braun, in Santa Monica, California. The event, held on a Saturday night, attracted numerous celebrities, including Jessica Alba, Tom Hanks, and Rita Wilson. A special highlight was a performance by Warren G, who sang 'Regulate,' a song that Braun particularly enjoys. Guests noted the festive atmosphere, enhanced by a basketball hoop set up for the occasion. Sweeney and Braun celebrated his upcoming 45th birthday by wearing matching Connecticut Flame basketball jerseys featuring the number 45. The couple, who began dating in September 2025, often shares glimpses of their relationship on social media, having made it official at the 2026 Stagecoach Music Festival. Braun has publicly praised Sweeney, describing her as kind, generous, and a significant surprise in his life. Recently, they were spotted enjoying a date night in New York City, further showcasing their affectionate relationship.