Priyanka Chopra is thrilled because she has signed up for the biggest of banners. She reveals, "I've just signed Karan's film which Soham is directing. I can't tell you anything about it because it's not even started. Soham just came to me with the script and I said yes." Her superhit song - boom in 'Asambhav' is already starting aired; hope this one do for her more!