Bollywood actress Rimi Sen has joined BJP ahead of upcoming assembly elections in five states. The actor who made her Bollywood debut with Priyadarshan`s comedy film `Hungama` in 2003, was last seen in reality show Bigg Boss in 2015. She had been paired opposite some of the top stars including Ajay Devgn, Salman Khan and Akshay Kumar beside doing a cameo in Amitabh Bachchan `Baghban`. Sen has also produced a film `Budhia Singh – Born to `based on the life of a young marathon runner. She had also done a number of south Indian films before making big in Bollywood.