The couple are among the slew of A-listers — including Kim and Khloé Kardashian — attending the billionaire heir’s extravagant, multi-day nuptials in Mumbai, India

According to The Times of India, guests will wear “sarees, ethnic suits, lehenga sets, kurta pajamas, sherwanis, and more” for the traditional Hindu and Gujarati rituals.

Before their appearance, Jonas shared an Instagram video of him and the Citadel star jamming out to “Barbie Girl” as they made their way to the ceremony. “C’mon Barbie… #AnantandRadhika,” he captioned the video.

Ambani and Merchant’s festivities will continue into the weekend, with the “Shubh Aashirwad” on July 13, followed by the grand reception, “Mangal Utsav,” which will be attended by the couple’s guests and family members, on July 14. The event signifies “marking the beginning of the couple’s new life together,” according to The Times of India.

The couple then set sail on a multi-day cruise in May with loved ones, starting in Palermo, Italy. Vogue reported that the four-day cruise – during which Katy Perry and Pitbull performed – welcomed roughly 1200 guests and made several stops throughout the Mediterranean.