The rumored relationship between Sydney Sweeney and Scooter Braun gained fresh attention following the actress’s space-themed birthday party held on September 27 in Los Angeles. The record executive’s presence alongside several A-list guests stirred speculation, although Sweeney did not include his photos in her social media posts. The event marked a significant moment amid Sydney Sweeney birthday party buzz.
Details Emerge About the Celebrity-Filled Space Party
Sources revealed that Scooter Braun joined the festivities to celebrate Sydney Sweeney’s 28th birthday. The party featured a star-studded guest list, including high-profile couples such as Ashton Kutcher with Mila Kunis, and Jeff Bezos accompanied by Lauren Sánchez. In addition, notable attendees included Jessica Alba, Seth MacFarlane, Kiernan Shipka, Justin Theroux, and Jen Meyer, all embracing the space theme with creative costumes.
Photos shared by TMZ showcased the guests arriving in outfits inspired by the celestial motif. Sydney Sweeney herself wore a striking metallic silver chainmail minidress adorned with stars. Her ensemble was complemented by matching heels and a purse, both sparkling with star embellishments. She finished the look with silver eyeshadow, diamond jewelry, and her hair styled in loose blonde waves.
The dress was reportedly part of The Blonds’ Spring/Summer 2009 collection and had previously been worn by Britney Spears during her 2008 photoshoot for the album Circus, as noted by Harper’s Bazaar.
Social Media Reactions Highlight Party Moments and Fashion
Sydney Sweeney shared a series of photos on Instagram with the caption, “Welcome to Planet Syd.” The images captured moments of joy with musicians like Diplo, Wiz Khalifa, and Sexyy Red celebrating alongside the birthday girl. The post, made on Monday, quickly attracted over one million likes. Fans flooded the comments with birthday wishes and recalled Britney Spears’ iconic look in connection to Sweeney’s outfit.
“pic.twitter.com/6p4fUcSk85” Sydney Sweeney Daily
Significance of the Event and Anticipated Developments
The gathering highlighted Sydney Sweeney’s rising prominence in Hollywood, drawing influential figures from music, film, and business to a uniquely themed event. Scooter Braun’s attendance further fueled speculation about their relationship, suggesting potential future public appearances or collaborations. The vivid celebrity presence and distinctive style choices have amplified the conversation around the Sydney Sweeney birthday party, underlining its impact on pop culture and entertainment circles.
— Sydney Sweeney Daily (@sweeneydailyx) September 29, 2025
