If you were scrolling on Twitter over the holiday break, you may have seen photos and videos from Michael Rubin’s annual Fourth of July white party.

Rubin, the merchandising billionaire, held his party in the Hamptons on Monday with a star-studded guest list. Some of the biggest names from across sports, entertainment and business were in attendance.

Over 350 people were reportedly on the list. Everyone pulled up in their white fits to celebrate.

Stars including Beyoncé, Jay-Z, Ben Affleck, Jennifer Lopez, Emily Ratajkowski, Kevin Hart, Tom Brady, Kim Kardashian and Kendall Jenner were among the long list of celebs who were at the party.

What Arizona celebs were at Michael Rubin’s party?

Some of Arizona’s most famous faces were there, too, including Phoenix Suns star players Kevin Durant and Devin Booker. Newly signed Sun Bradley Beal was also in attendance.

Who is Michael Rubin? And why is he so famous?

Michael Rubin is a billionaire best known because of his ownership of Fanatics, the sports merchandise retailer. Before Fanatics, Rubin made his money in e-commerce. He started a company called G.S.I. Commerce that managed online purchases after dropping out of Villanova University.

In 2011, Rubin sold that company to eBay for $2.4 billion, from which he personally netted $180 million.

He also got to keep Fanatics, where he would go on to get licensing deals with multiple sports leagues.

Where was Michael Rubin’s white party?

The annual summer party is held at Michael Rubin’s $50 million Bridgehampton home.