Although Karan Johar's highly awaited movie, 'Student of the Year' has newcomers Siddharth Malhotra, Varun Dhawan and Alia Bhatt in lead roles, the director has asked his lucky mascot Kajol to do a cameo for him in the movie.<br /><br />For more Bollywood news and gossip<br />http://www.youtube.com/show/bollywoodnewsgossip<br /><br />Subscribe at <br />http://www.youtube.com/subscription_center?add_user=BollywoodBackstage<br /><br />Like us on Facebook<br />http://www.facebook.com/bollywoodbackstage<br /><br />Follow us on Twitter<br />https://twitter.com/#!/BollywoodBstage
