MUMBAI, India — The youngest son of Mukesh Ambani, Asia's richest man, married his longtime girlfriend early Saturday in what many dubbed the wedding of the year, attended by global celebrities, business tycoons and politicians, highlighting the billionaire's staggering wealth and rising clout. The wedding rituals, including exchanging garlands by the couple and walking around the sacred fire, began Friday and were completed past midnight. The celebrations of Anant Ambani marrying Radhika Merchant took place at the Ambani-owned Jio World Convention Centre in Mumbai and the family home.

The marriage culminated months of wedding events that featured performances by pop stars including Rihanna and Justin Bieber. Prime Minister Narendra Modi attended a reception organized by the Ambanis on Saturday evening. The Ambanis hosted a "blessing ceremony'' for friends and family members to meet the couple and wish them a happy married life.

Anant Ambani, left, son of billionaire Mukesh Ambani, holds hands with Radhika Merchant during their wedding ceremony Friday at Jio World Convention Centre in Mumbai, India. India Today television news channel reported that the newlyweds touched Modi's feet as a show of respect and sought his blessings. The four-day wedding celebrations began Friday with the traditional Hindu wedding ceremony and will be followed by a grand reception to run through the weekend.

The guest list includes former British Prime Ministers Tony Blair and Boris Johnson; John.