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.

Details of the wedding have been kept a secret, although many guests were seen cutting through the canal by water taxis to the first bash of the weekend on Thursday.