The 38-year-old 'Celebrity Big Brother' star said that her son, Viaan Raj Kundra, is so naughty that she always runs after him in the house. "Viaan is very naughty, He keeps me on toes everytime and that is the reason behind shedding my post pregnancy flab so quickly. Now, people don't believe that I am the same Shilpa who had given birth to a boy last year," Shilpa said.u00a0

Shilpa Shetty with son Viaan