"Thank you so much for all ur wishes and prayers. It's an awesome time in life right now and Mahesh and I r both very excited abt the baby!," Lara, who tied the knot with ace tennis player Mahesh Bhupati in February this year, posted on her Twitter page.
In return, Abhishek congratulated her and posted: "Paaji! CONGRATULATIONS!!!!!! welcome on board."
The 33-year-old actress tweeted back saying, "Thank you so much ab! You'll be sorted by the time our turn comes, will call for tips!!"
Earlier in June, Aishwarya and Abhishek confirmed they are expecting their first baby.
Lara is fondly known as "Lara paaji" in Bollywood and Abhishek and Lara have worked together in two movies - "Mumbai Se Aaya Mera Dost" and "Jhoom Barabar Jhoom".