Filmmaker Karan Johar is all set to celebrate his 50th birthday by throwing a grand birthday bash for the entire film fraternity. KJo aka Karan Johar one of the most influential celebrities in the Indian film industry will have `black and bling` as the theme of his 50th birthday bash.

The entire setup of the bash will be designed by Amrita Mahal who has worked on creating the sets of films like Kalank, Yeh Jawaani Hai Deewani, Brahmastra, and Rocky Aur Rani Ki Prem Kahani.