Karan Johar turned a year older today, on May 25, and to celebrate his special day, the filmmaker is hosting a mega bash at his residence. The 45-year-old filmmaker has put together an illustrious guest list for the big Bollywood bash, which will be hosted at his plush Bandra apartment in the evening. While Shah Rukh, Salman and Aamir Khan are invited, the Bachchans, Saif Ali Khan and Kareena Kapoor too are on the list. On the other hand, Katrina Kaif, Deepika Padukone as well as the younger brigade of Varun Dhawan, Alia Bhatt, Sidharth Malhotra, Arjun Kapoor, Aditya Roy Kapur and Parineeti Chopra are invited. The celebs are expected to take over the dance floor on the loud music with fun and frolic.