Filmmaker Karan Johar, who launched actors Alia Bhatt, Sidharth Malhotra and Varun Dhawan in Bollywood six years ago with Student of the Year, says he is proud of how they have shaped up. On the completion of six years of Punit Malhotra directorial film on Friday, Karan became nostalgic and thanked the actors for making the film a blockbuster.

"So Proud of Sidharth, Varun and Alia. Love you and thank you for making this film so special for all of us at Dharma Movies, Karan wrote on Twitter.