Venice (Italy), June 26 -- Billionaire Jeff Bezos and his fiancee, former journalist Lauren Sanchez, are tying the knot this weekend in Venice, Italy, in what promises to be one of the year's most star-studded events, media reports said.

The wedding festivities, which kicked off on June 24, will unfold over several days and are expected to draw around 200 guests, including some of the biggest names in Hollywood, business, and politics.

Among those already spotted in the Floating City are Ivanka Trump and her husband, Jared Kushner, as well as fashion mogul Diane von Furstenberg and her husband, media executive Barry Diller.

Canadian lawyer Lydia Kives and investor Michael Kives were also seen arriving by boat, while Corey Gamble, partn...