PIX: Katrina, Ranbir, Deepika, Ranveer party together

It was a rare occasion when the reigning young stars of Hindi films arrived at Anil Kapoor's posh Juhu bungalow in suburban Mumbai to bring in his nephew Arjun Kapoor's 28th birthday.

Katrina Kaif, who is yet to be seen with rumoured beau Ranbir Kapoor in public, arrives for the do.

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Ranbir Kapoor was close on her heels as he arrived for the bash.

Birthday boy Arjun Kapoor, who turned 28, waits at the entrance, ready to greet his guests.

The actor's sister Anshula Kapoor arrives.

Sonam Kapoor's I Hate Luv Storys costar Imran Khan arrives with wife Avantika Malik.

Priyanka Chopra returns to the social scene with this party after mourning her father Dr Ashok Chopra's demise.

Priyanka's cousin Parineeti Chopra, who starred with Arjun Kapoor's acting debut Ishaqzaade, was also on the guest list.

Director Homi Adajania accompanied his Cocktail leading lady Deepika Padukone and her rumoured boyfriend Ranveer Singh to the party.

The new couple stars in Sanjay Leela Bhansali's upcoming film Ram Leela.

Raanjhanaa director Aanand L Rai arrives.

Sonam's Raanjhanaa costar Dhanush makes a quiet entry.

I Hate Luv Storys director and Sonam's alleged former flame Punit Malhotra and actor Jackky Bhagnani were among the party revellers.

Student Of The Year stars Alia Bhatt and Siddharth Malhotra pose for pictures.

Meanwhile, their costar Varun Dhawan got along famously with the birthday boy.

Nautanki Saala actor Ayushmann Khurrana was flying solo for the night.

Arjun and Sonam's cousin Mohit Marwah, poised to make his acting debut in a Karan Johar film, was also at the party.

Mohit is the son of Boney and Anil Kapoor's sister Reena and her husband Sandeep Marwah.

Shakti Kapoor's son and aspiring actor Siddhanth Kapoor and his girlfriend Erika Packard.