Shweta Tiwari is an Indian actress who primarily works in Hindi television. She is best known for playing Prerna Sharma in Ekta Kapoor's soap opera Kasautii Zindagii Kay. In 2010, she participated in Bigg Boss 4 and emerged as the winner, thus becoming the first female winner of the series. Other reality shows to her credit include Nach Baliye, Jhalak Dikhhla Jaa and Fear Factor: Khatron Ke Khiladi.

Kasautii Zindagii Kay is an Indian Hindi-language television series produced by Ekta Kapoor's Balaji Telefilms on Star Plus. The show starred Shweta Tiwari, Cezzane Khan later replaced by Hiten Tejwani, Ronit Roy and Urvashi Dholakia. The show aired from 29 October 2001 to 28 February 2008. The whole series is digitally available on Disney+ Hotstar. The show was one of the most longest running television show of Star Plus.