Jeff Bezos and Lauren Sánchez were joined by their A-list friends as they celebrated at their final wedding bash on Saturday night, June 28. A source told PEOPLE the party was expected to be a 'full-on' dance party with performances by Usher and DJ Cassidy.

Sweeney was among the A-list guests who attended the star-studded ceremony, which also included sisters Kim and Khloé Kardashian, their youngest sisters Kendall and Kylie Jenner and family matriarch Kris Jenner;