Overview

• Sweeney marked her 28th birthday with a belated space‑themed celebration in Los Angeles, sharing a carousel captioned “welcome to planet syd.”
• She wore a silver, star‑adorned minidress from The Blonds’ Spring/Summer 2009 collection, the same look Britney Spears wore for 2008 Circus imagery, and she recreated Spears’ pose in party photos.
• The event featured themed décor including a NASA rocket installation and a starry two‑tier cake, with Diplo providing a DJ set.
• Guests embraced the UFO brief, with Glen Powell arriving in a NASA astronaut suit and attendees donning alien and Star Wars costumes.
• The guest list included Jeff Bezos with Lauren Sánchez, Wiz Khalifa and Diplo, while Scooter Braun attended as outlets continue to report the pair are casually dating based on unnamed sources.