Mumbai: Filmmaker Karan Johar has started shooting the last leg of his much-awaited film "Ae Dil Hai Mushkil", which brings Ranbir Kapoor, Aishwarya Rai Bachchan, and Anushka Sharma together on the silver screen. Karan took to Twitter to share the update and posted an image showing Ranbir inside a lift with a woman entering it. He tweeted: "Back on set for the last leg of 'Ae Dil Hai Mushkil' in Mumbai." Anushka also posted the same image with a post that read: "With literally my 'back' on set 'Ae Dil Hai Mushkil'." The film also stars Fawad Khan, Imran Abbas, Lisa Haydon and Deepti Naval. The plot details of the movie are shrouded in secrecy. "Ae Dil Hai Mushkil" is co-produced by Fox Star India and Dharma Productions. The film is slated to release on October 28.