Isha Ambani, the daughter of India's richest man, is tying the knot with Anand Piramal, son of another Indian billionaire, this week.
Beyoncé was one of many celebrities flown in, along with Bollywood stars and figures like Hillary Clinton.
It comes on the heels of several recent Indian weddings competing for glamour, excess and attention.
The Ambanis themselves recently attended the wedding of Bollywood actors Deepika Padukone and Ranveer Singh.
And last weekend, Isha Ambani was a bridesmaid at the wedding of actress Priyanka Chopra to US singer Nick Jonas.