But now that she is 38, she has the answer to the question.
"Finally, found the answer to the most asked question in my childhood... What do you want to become when you grow up? A CHILD again," tweeted the actress.
For now, she is busy taking care of her child - her son Viaan, with businessman husband Raj Kundra. Viaan was born in May 2012.
'Look' how the Sheena Bora case has taken a toll on Indrani Mukerjea
Photos: Katrina Kaif, Parineeti Chopra, Shilpa Shetty's movie outing in Juhu
Birthday special: 14 Bollywood actors who made it big on TV
Photos: Vaani Kapoor, Poonam Pandey, Sana Khan at fashion event
Photos: Rishi Kapoor, wife Neetu, daughter Riddhima at book launch