Happy birthday, Vidya!

Vidya Balan, who has two films -- Mission Mangal with Akshay Kumar and Tapsee Pannu and the NTR biopic -- turned 40 on January 1.

The actress hosted a retro-themed party for her family.

Vidya Balan.

Vidya's mother Saraswathy, sister Priya and her niece Ira.

Vidya Balan's father, P R Balan, with her nephew, Ruhaan.

Vidya's husband, Siddharth Roy Kapur.

Her brother-in-law, Aditya Roy Kapur.

Time for a family pic :)

Photographs: Pradeep Bandekar