The biography launch of the veteran actor was a star-studded event. It was one of the most memorable nights when several celebrities from the film fraternity attended the launch of Dilip Kumar`s biography, titled `The Substance And The Shadow,` held in Mumbai on June 9. The event, which was hosted by Karan Johar started with veteran actor Vyjantimala, Madhuri Dixit-Nene and Priyanka Chopra lighting the lamp to open the event. The book was then released by Dilip`s wife Saira Banu, Amitabh Bachchan, Aamir Khan and Dharmendra.But in all this the two King Khan`s were missing.... does the rivalry still exist?