The Asian star, who was once dubbed the most beautiful woman in the world, will give birth later this year (11).
The former Miss World is married to Bollywood pin-up Abhishek Bachchan, the son of Indian movie legend Amitabh Bachchan, who broke the news on Tuesday (21Jun11) via Twitter.com.
The veteran actor wrote, “I am going to become a grandfather! Aishwarya is expecting! So happy and thrilled!”
Rai and Bachchan wed in 2007.