It was a star studded extravaganza last night as the B-Town stepped out to party. These stars were at the birthday bash of a renowned PR person. br Those spotted at this bash were Anil Kapoor, Emraan Hashmi, Bipasha Basu with Karan Singh Grover, Raveena Tandon, Farah Khan, Vivek Oberoi with wife Priyanka, Shilpa and Raj Kundra to name a few.