Katrina Kaif, the brand ambassador of 'Nakshatra' jewellery unveiled its new logo at an event. The actress looked stunning and answered media queries on her association with 'Nakshatra', working with the three Khans of Bollywood and rumours of doing a role in 'Dabangg 2'. Take a look! Visit www.bollywoodhungama.com to watch more bollywood news and gossips....