(Shah Rukh Khan seen dancing at the sangeet ceremony alongside his wife Gauri Khan)
Dozens of chartered planes carrying celebrities, including former U.S. secretary of state Hillary Clinton, flew into a sleepy airport in western India for the lavish pre-wedding festivities for the daughter of India's richest man.
Isha Ambani, 27, daughter of Reliance Industries chairman Mukesh Ambani, will marry Anand Piramal, 33, in the financial capital of Mumbai next Wednesday, but the celebrations began this weekend in the desert city of Udaipur, with feasts, singing and dancing, and other pre-wedding rituals.
Security was beefed up as the high-profile guests started arriving at Udaipur's airport, said a source at the scene, who asked not to be identified. Outside, they were awaited by luxury sedans driven by chauffers wearing white uniforms and colourful Rajasthani turbans.
The Clintons and the Ambanis have an association that goes back more than 18 years and have met several times both in India and abroad, according to Indian media reports.
Indian steel magnate Lakshmi Mittal, cricket legend Sachin Tendulkar and newly-weds, actress Priyanka Chopra and singer Nick Jonas were among the guests joining the bash.
Former head of advertising giant WPP, Martin Sorrell, BP Group CEO Bob Dudley, Huffington Post founder Arianna Huffington, 21st Century Fox CEO James Murdoch and Saudi Energy Minister Khalid Al-Falih are also invited.
Guests for the celebrations, which will bring together two of India's most influential families, have access to an app mapping out the activities, which include a private concert by Beyonce.
Many in India, have closely followed the preparations, including the Ivy League-graduate couple's engagement at the luxury Villa D'Este hotel on Italy's Lake Como, attended by more than 600 guests, and featuring a private performance by singer John Legend.
Isha Ambani and fiance Anand Piramal in Udaipur where they will tie the knot on December 12.
The dreamy wedding destination wedding will be attended by the who's who of Bollywood including Karan Johar, Varun Dhawan, Aamir Khan, Priyanka Chopra among others.
Bollywood divas Karisma Kapoor and Jacqueline Fernandez also made an appearance.
Former First Lady of the United States Hillary Clinton also arrived in the city for Isha's wedding.
Newly-weds Priyanka Chopra and Nick Jonas arrived at the Udaipur Airport on Friday morning.
Abhishek Bachchan arrived with Aishwarya Rai Bachchan and daughter Aradhya.
Actor Vidya Balan was spotted with her husband, producer Siddharth Roy Kapur.
Indian cricketer Sachin Tendulkar arrived with his wife Anjali Tendulkar.
Also spotted at the airport was 'Parmanu' star John Abraham, Aamir Khan and Kiran Rao, Varun Dhawan and Natasha Dalal.
The Ambani and Piramal families will host their friends and family in Udaipur where they are partnering with artisans and craftsmen to integrate local culture and traditions into the festivities.
Earlier, the Ambani family hosted a three-day extravaganza in the picturesque Lake Como in Italy, which was attended by Bollywood stars.
Anand, son of Swati and Ajay Piramal, is the founder of Piramal Realty, a leading real estate firm in India.
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