Bollywood star and former Miss World Aishwarya Rai Bachchan has given birth to a baby girl

her husband Abhishek announced on Wednesday.

"IT'S A GIRL!," Abhishek, also a top actor, wrote on his Twitter account, @juniorbachchan, without giving any further details.

Bachchan's father, Bollywood legend Amitabh, tweeted his joy at the new arrival: "A dada ji (a grandfather)...Ecstatic!", calling his new granddaughter "the cutest baby girl".

The baby was born at the private Seven Hills Hospital in the western Mumbai suburb of Andheri on Wednesday morning, hospital officials told.