Athletes, celebrities, influencers and business leaders converged to revel in extravagance that was as much a testament to the couple’s love as to their extraordinary wealth.

Attention-seeking celebrities like Oprah Winfrey and Kim Kardashian caught water taxis in Venice Friday to watch Jeff Bezos, the world’s third-richest person, go through the motions of exchanging wedding vows with his equally attention-seeking bride,