Kubbra Sait happily posed at her book's launch in Mumbai.

Vidya Balan happily posed with Kubbra Sait.

Vidya Balan looked stunning as ever in a black ensemble.

Tejasswi Prakash and Karan Kundrra attended Kubbra Sait's book launch together.

The couple happily posed with Kubrra.

We also spotted Konkona Sen Sharma at the event.

Amol Parashar was pictured with Kubbra Sait and Konkona Sen Sharma.

Sumona Chakravarti was also clicked at the launch.

Kubbra Sait happily posed at her book's launch in Mumbai.