Singh started her career playing the lead role in the popular television serial, Jassi Jaissi Koi Nahin. In 2006, she was the winner of the show Jhalak Dikhhla Jaa on Sony Entertainment Television. She announced plans to make movies sometime in the future, one of them with Bobby Pushkarna. In June 2006, she was expected to leave on a world tour with a number of other actors, to perform songs. In March 2007, she signed an exclusive contract with Sony Entertainment Television to be the brand ambassador for the channel for 13 months. Her next show on TV was Extreme Makeover. She hosted Jhalak Dikhhla Jaa 4 on Sony and Extra Shots on Set Max. She has also been an ambassador for various brands. She hosted Entertainment Ke Liye Kuch Bhi Karega in 2011 on Sony Entertainment Television. She has acted as the female protagonist in Balaji Telefims shows Kya Huaa Tera Vaada, Pyaar Ko Ho Jaane Do and Kavach...Kaali Shaktiyon Se. She is currently doing ALTBalaji's Kehne Ko Humsafar Hain along with Ronit Roy and Gurdeep Kohli. She is also seen on a web series Yeh Meri Family.