Katrina Kaif, Imran Khan and Ali Zafar on the sets of X Factor to promote their film Mere Brother Ki Dulhan.

All three wore black waistcoats. And Kat with her ripped jeans, T-shirt and boots -- we thought that's something what Priyanka Chopra loves to wear!

Babita, Karisma and Kareena Kapoor at a special screening of Bodyguard