Deepika Padukone has replaced Preity Zinta in the BSNL ads, Katrina Kaif has taken over from Aishwarya Rai for Nakshatra Diamonds and Priyanka Chopra is the reigning Bollywood queen for Lux and Ponds. The three are nudging established actresses off their endorsement deals and taking over the big screen. Katrinas Singh is Kinng has broken box