Imtiaz Ali celebrates birthday with SRK, Ranbir, Deepika and Alia

Lyricist and long-time collaborator Irshad Kamil was also spotted.

Alia Bhatt, whos worked with Ali in Highway was seen in a vibrant get-up.

Deepika Padukone, who was the leading lady in Alis Tamasha kept it simple with minimal make-up.

Ranbir Kapoor was spotted accompanying his Sanjay Dutt biopic director Rajkumar Hirani.

Imtiaz turned 46.

SRK will be seen opposite Anushka Sharma in Alis next, Jab Harry Met Sejal.

Director Imtiaz Ali turned a year older as he partied away with his leading actors and friends from the fraternity at Korner House, Mumbai. Click ahead for exclusive pictures.