Sonia Singh, now known as Neetu Singh, started her career as a child artiste (Baby Neetu/Sonia) in Bollywood movies (Pavitra Paapi, Waaris &c), and went on to become a full-fledged Bollywood movie actress, with a reputation of having her mom accompany her to almost all shoots. She married her co-star, Rishi Kapoor, and in keeping with the Kapoor Clan's rules for women, has not acted in any movie since then.

Daughter-in-law of world renowned Raj Kapoor; and grand daughter-in-law of actor Prithviraj Kapoor. Aunt of actresses Karisma Kapoor and Kareena Kapoor. Sister-in-law of actor Rajiv Kapoor and Randhir Kapoor.

In most of the films she appeared in, she was cast as the fun-loving daughter or the 'optimistic' or 'lively' girlfriend.

Daughter's name is Riddhima Kapoor. Son's name is Ranbir Kapoor. Ranbir is soon to star in Sanjay Leela Bhansali's next untitled movie with Sonam Kapoor (Anil Kapoor's daughter) as his co-star.