The couple who had tied the knot in 2012 and welcomed a infant boy Taimur Ali Khan 4 years later.
Saif and Kareena shared the announcement of their second youngster with fans in August.
“We are very pleased to announce that we are expecting an addition to our family. Thank you to all our well-wishers for all their love and support,” the duo had mentioned in a joint statement.
Kareena is reportedly due in mid-February.