By now its common knowledge that Kajol would be seen in a cameo in Karan Johar's Student Of The Year (SOTY) . However, what can be revealed now is the fact that Kajol would be seen shaking a leg in 'The Disco Song' with newcomers Varun Dhawan, Sidharth Malhotra and Alia Bhatt. 'The Disco Song' is a modern day rehash of Nazia Hassan's cult track 'Disco Deewane'.
In the past as well, Kajol has done cameos for Karan Johar in films like Kabhi Alvida Naa Kehna and Kal Ho Naa Ho. Karan considers her as his lucky mascot and hence made sure that she is there is SOTY as well.