Bezos and Sanchez tied the knot in a divided Venice

AMAZON tycoon Jeff Bezos and Lauren Sanchez tied the knot Friday at a sumptuous ceremony with the rich and famous on an island in Venice's lagoon, out of the sight and sound of protesters.

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"This city seems impossible! It can't exist and yet, here it is!" an enchanted Bezos told a La Repubblica journalist Thursday who got close to the magnate as he whizzed around the canals by boat.

But protesters had a different view, wondering how long Venice can endure: While the billionaires party, activists say the fragile city is sinking, overrun by tourists, and a victim of depopulation as locals unable to pay soaring rents are forced out.

"No Kings, No Bezos" read a sign in green neon projected on the St Mark's Campanile tower on Thursday night.

Sanchez, late on Friday, posted a photo on Instagram, under a new name, laurensanchezbezos, showing her in a long flowing white dress and him in a black tie, though it did not provide any indication where it was taken.

Bezos and Sanchez, a former news anchor and entertainment reporter, celebrated their nuptials with guests including Kim and Khloe Kardashian, Oprah Winfrey and Orlando Bloom.