Here's everything you need to know about Lauren Sánchez before she and billionaire Amazon founder Jeff Bezos head down the aisle.

Amid rainstorms and celebrity sightings, festivities are underway in Venice for the wedding of Jeff Bezos and Lauren Sanchez. After separate trips to space, a three-day wedding extravaganza in Venice is closer to home for the billionaire, who grew up in Houston, and his bride-to-be.

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