NEW DELHI (Reuters) - Bollywood actress Aishwarya Rai Bachchan has given birth to a baby girl, her husband Abhishek Bachchan announced on Twitter on Wednesday. While the babys father just said its a girl, her proud grandfather Amitabh Bachchan a veteran actor and head of Bollywoods most famous family could barely contain his joy. I AM DADA (grandfather) to the cutest baby girl the 69-year-old Bachchan tweeted.