Filmmaker Karan Johar on Wednesday shared a his "biggest blockbuster ever" featuring him along with Shah Rukh Khan, Aamir Khan, Ranbir Kapoor, Alia Bhatt, Ranveer Singh and Deepika Padukone. The gathering was said to be a pre trailer launch party for 'Thugs of Hindostan'. Now Big B says that he is upset upon not being invited for that party.