The guest list was astronomical, with Jeff Bezos and wife Lauren Sanchez making a stellar appearance after Sydney — and Scooter, separately — attended their June wedding.

Sydney’s IG pics show the galaxy of birthday chaos — twerking with Sexyy Red, belting karaoke with Wiz Khalifa, and a whole lot more.

The bash was legendary — her birthday was earlier this month, on the 12th — proving even after this year’s jeans ad turbulence, Sydney’s star-studded squad is still gravitating to her side!