The first story draft of Om Shanti Om was written by Farah Khan on Andrew Lloyd Webber’s letterhead. Farah had gone to London for the Bollywood-themed musical, Bombay Dreams, in 2002 and was staying in Andrew’s house. She penned down her thoughts on his letterhead. But she made Main Hoon Naa before Om Shanti Om. The complete screenplay, except for some portions was written by Farah in two weeks flat