Petite actress Shubhomitra Sen aka Rimi Sen aspired to be an actress since childhood. She was born in Kolkata on 21st September, 1981. She was a student of Bidya Bharati Girls' High School and then graduated in Commerce from University of Calcutta.

After completing her studies, the Bengali girl came to Mumbai with her mother to try her luck in the entertainment industry. The pretty face was soon offered advertisements, including a Coca-Cola ad with actor Aamir Khan. She was soon noticed by the industry and offered her first movie. Sen made her debut as a lead actress in Telugu movie Nee Thodu Kavali (2002). 

Her debut Hindi film, was Vijay Galani's comedy Hungama (2003). Her performance was loved by the masses and soon she saw offers pour in. Going head, she was seen in hit films like Dhoom (2004), Garam Masala (2005) and Golmaal (2006). All these films gave her the much popularity and recognition in the industry. She also did a cameo in 2006 film Dhoom 2 and followed it with Johnny Gaddaar (2006). 

In De Taali (2008), she played a ccon woman. Thank you (2011) and Shagird (2011) did not do very well at the box office, she her performance did not go unnoticed.

She participated in TV reality show Bigg Boss Season 9.