Watch: Janhvi Kapoor, Varun Dhawan, Arjun Kapoor, Ayushmann Khurrana and others sing 'jor se bolo, Happy Birthday' for filmmaker Shashank Khaitan

Janhvi Kapoor, who made her Bollywood debut with Shashank Khaitan's 2018 film 'Dhadhak', recently rang in his birthday with friends from the fraternity. Celebs like Ayushmann Khurrana, Aparshakti Khurana, Tahira Kashyap, Janhvi Kapoor, Arjun Kapoor, Varun Dhawan and his girlfriend Natasha made an appearance in a viral video from the bash. It was a clip shared by filmmaker Karan Johar, wherein the lot can be seen singing for Khaitan at the top of their voices. As can be seen in the video, everyone was in high spirits as they celebrated Khaitan's birthday with pomp.