Staying up all night is filmmaker Karan Johar's mantra to get a dose of reality.
Karan took to Twitter to share his late night fundas. He posted: "Late night thoughts are your reality check."
Meanwhile, the filmmaker is busy with his next project 'Ae Dil Hai Mushkil' which stars Aishwarya Rai Bachchan, Anushka Sharma and Ranbir Kapoor. The film will release on June 3, next year.
Photos: Shah Rukh Khan, Shweta Bachchan at Karan Johar's book launch
Photos: Sunny Deol with sons Karan and Rajvir at Mumbai airport
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Photos: Karisma Kapoor, Preity Zinta, Shraddha Kapoor at Mumbai airport
Spotted: Anushka Sharma and Diljit Dosanjh at Mumbai studio