Oprah Winfrey, Kim and Khloe Kardashian, Tom Brady, Bill Gates and Leonardo Di Caprio are among the many already gathered in Venice for the lavish celebrations.

The wedding, hosted in Venice, Italy, is expected to cost millions of dollars as residents protest the upcoming luxury event.

The sky itself is no limit for billionaire Jeff Bezos and fiancée Lauren Sánchez. They have traveled into space, and expectations are just about as high for their wedding in Venice.