Sexy, bold and dimpled Preity Zinta celebrates her birthday today. This gorgeous Aquarian stepped into the tinsel town in 1998 with Mani Ratnam's 'Dil Se'. Since then, Preity has given a string of notable bold performances in films like Kya Kehna! , Chori chori chupke chupke, Lakshya, and Veer Zaara. Lets take a look at the variety of roles she has done.