Celebrated filmmaker Karan Johar turned 50 on Wednesday. Making the occasion memorable and grand, he hosted a party at Mumbai's Yash Raj Studios. It was a star-studded affair with the who's who of Bollywood in attendance.

Kiara Advani, who is celebrating the success of Bhool Bhulaiyaa 2, attended Karan's birthday bash with Varun Dhawan.

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Varun and Kiara are co-stars in Jug Jugg Jeeyo, a film produced by Karan's Dharma Productions.

Kiara made many jaws drop in a white and silver dress.

The outfit with a plunging neckline looked lovely on the actress.

She rounded off her look with a pair of transparent heels.

Varun wore a black T-shirt with a silver jacket.

Sidharth Malhotra was also at the party.

The actor was all suited up.

He wore a black suit.

Rumours are rife that Sidharth and Kiara are in a relationship.

Parineeri Chopra joined the party too.

The actress looked lovely in a silver dress.

She posed for the cameras happily.

(Source: Viral Bhayani)