Nita and Mukesh Ambani threw a bash for United Nations General Secretary Ban Ki-moon, who is visiting the country. The do saw a host of B-Town biggies arrive with their partners. Some of the celebs included Aamir Khan with wife Kiran Rao, Imran Khan and Avantika Malik, Farhan Akhtar, Vinod Khanna, Aishwarya Rai Bachchan, Ashutosh Gowariker with wife Sunita and Leander Paes among many others. Karisma Kapoor was seen catching up with Raveena Tandon and her husband Anil Thadani.