Why did Katrina Kaif hide from the paps

Katrina Kaif has been busy shooting for her Kabir Khan film 'Phantom' opposite Saif Ali Khan. Apparently, she is also working nights, dubbing for her film opposite Hrtihik Roshan, 'Bang Bang'. However, the busy bee actress did make time to attend Karan Johar's get-together at his residence. After partying with close buddies, Katrina Kaif headed out with good friend Aarti Shetty, who is usually seen hanging out with Ranbir Kapoor and Ayan Mukerji.

Once inside the car, Katrina was quick to hide herself from the waiting paparazzi. Check out how Kat managed to do this trick.

Why do you think Katrina tried so hard not to be clicked? Any thoughts?