Karan Johar turns 43, Varun Dhawan dedicates ABCD2's new song to him

MUMBAI: Filmmaker Karan Johar today turned 43 and got birthday wishes from his "Student of the Year" actors Varun Dhawan, Sidharth Malhotra and Alia Bhatt.

Varun dedicated his newly-released song from upcoming movie "ABCD 2" to celebrate his first director's 43rd birthday.

Aptly titled "Happy Birthday", the song marks Varun's debut as a rapper. It starts with a birthday party for choreographer-actor Punit Pathak and then moves to behind-the-scenes of the "Badlapur" star rapping in a studio.

#HappyBirthdayKaranJohar @karanjohar hope you have the most amazing year big hug. Wanna dedicate this song to U http://t.co/HYJEbmiyvs

— Varun SURESH Dhawan (@Varun_dvn) May 25, 2015

Johar, who made his full-fledged acting debut this year with Anurag Kashyap's period drama "Bombay Velvet", was also wished by Alia and Sidharth.

Happy birthday @karanjohar thank you for being the way you are,love you for it,big hug

— Sidharth Malhotra (@S1dharthM) May 25, 2015

Alia tweeted:

Happy birthday to my favourite @karanjohar !!!!! Love you love you to the stars and back

— Alia Bhatt (@aliaa08) May 25, 2015

Shraddha Kapoor, who did an item number in Johar's "Ungli", said:

Happy birthday @karanjohar ! Wish you never ending happiness, success & hit movies for life! ??????

— ShraddhaVINNIEKapoor (@ShraddhaKapoor) May 25, 2015

"Ungli" star Emraan Hashmi wrote:

Happy birthday @karanjohar! Hope you have a fantastic year :)

— emraan hashmi (@emraanhashmi) May 25, 2015

Here's wishing @karanjohar a very happy bday . Have a super year k . Much love

— Shahid Kapoor (@shahidkapoor) May 25, 2015