Kajol is Karan Johar's lucky charm - NewsX

Kajol is a must have for filmmaker Karan Johar in all his films because he feels his close friend is lucky for him. No wonder the actress features in a cameo in the song Disco Deewane in Johar's forthcoming film Student of The Year (SOTY). "Kajol is in the disco song and she has danced with the boys (Siddharth Malhotra and Varun Dhawan). Kajol's presence is very important for me. She has been there in every film of mine and she has always been lucky," the 40-year-old said here.

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