Global celebrities, business tycoons and politicians began arriving in India’s financial capital on Friday to attend the wedding of the youngest son of Mukesh Ambani, Asia’s richest man, highlighting the billionaire’s staggering wealth and rising clout.

Anant Ambani, 29, is marrying his longtime girlfriend, Radhika Merchant, in what many have dubbed the wedding of the year. The celebrations are taking place at the Ambani-owned Jio World Convention Centre in Mumbai and their family home and are the culmination of months of wedding events that featured performances by pop stars including Rihanna and Justin Bieber.