Karan Johar’s 45th birthday bash was the talk of the town which saw the who’s who of Bollywood attending the party. But his old friend was missing from the party. Yes! We are talking about Rani Mukharji, she was not present at that moment. A source told us that before his big party though Karan was spotted in a high-end restaurant for a private dinner party. He was joined by Rani Mukerji, Aditya Chopra, Shweta Bachchan, and Manish Malhotra.