Birthday boy Ranbir Kapoor had two reasons to celebrate September 28: his turning 29 years old and the upcoming release of his film Rockstar. The result: a star-studded party where Ranbir’s co-stars and friends came together to bring in a new year for the chocolate boy.

Sanjay Dutt, Ranbir Kapoor Ranbir Kapoor's birthday and 'Rockstar' bash

Ranbir’s wardrobe for the night was all Rockstar. The birthday boy was dressed in a khakhi ‘Jordan’ topi and a Sadda Haq t-shirt. Sanjay Dutt got a very warm welcome from RK.

Nargis Fakhri, Neetu Singh Ranbir Kapoor's birthday and 'Rockstar' bash

Looks like mummy Neetu Kapoor has a soft spot for Ranbir’s latest co-star Nargis Fakhri. Neetu even supported her son with a ‘Jordan’ topi!

Deepika Padukone At Ranbir Kapoor's birthday and 'Rockstar' bash

A smoking hot Deepika Padukone didn’t miss her ex-boyfriend Ranbir’s birthday, except that this time she didn’t have Siddhartha Mallya on her arm.

Priyanka Chopra at Ranbir Kapoor's birthday and 'Rockstar' bash

Priyanka Chopra also made an appearance at her Anjaana Anjaani co-star’s bash.

Imtiaz Ali, Irshad Kamil, Mohit Chauhan at Ranbir Kapoor's birthday and 'Rockstar' bash

Rockstar director Imtiaz Ali and Ranbir’s voice in the film, Mohit Chauhan, were also at the party.

Rishi Kapoor at Ranbir Kapoor's birthday and 'Rockstar' bash

Dad Rishi Kapoor was in high spirits.

Ayan Mukerji, Anurag Basu at Ranbir Kapoor's birthday and 'Rockstar' bash

Wake Up Sid director Ayan Mukerji & Barfee director Anurag Basu were there to celebrate their lead actor’s birthday.

Karan Johar Rajkumar Hirani Rajkumar Santoshi-Ranbir Kapoor's birthday and 'Rockstar' bash

Karan Johar, Rajkumar Hirani and Rajkumar Santoshi were also at the party.

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