Karan Johar celebrated his 45th Birthday and throw a grand party of his Bollywood friends. Many celebrities including Shahrukh Khan, Aamir Khan, Katrina Kaif, Deepika Padukone, Alia Bhatt, Anushka Sharma, Aishwarya Rai, Abhishek Bachchan, Ranbir Kapoor, and lot many other stars attended the rocking party. Watch here who else mark their presence there. Watch the UNCUT Video here.