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

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

Bezos and Sánchez’s nuptials have drawn protests all over Venice, which are continuing during their three-day extravaganza. Here are some figures about the couple and their "wedding of the century", as well as snaps of the celebrity arrivals and protests.