Already described as the "wedding of the century", the nuptials between Jeff Bezos and Lauren Sánchez takes place this week in Venice, Italy. Here's everything you need to know - from the guest lists to price tags and the controversy surrounding the mega-event.

Before celebrating their love for several days in Venice, Amazon founder Jeff Bezos and his fiancée Lauren Sánchez had a foam party. This was reportedly held to celebrate Sánchez's son's birthday.