Their first child, a daughter, is Misha, who turned two last month.
In a tweet, Shahid wrote: "Zain Kapoor is here and we feel complete".
The pictures of other family members of Shahid and Mira like the grandpa Pankaj Kapoor also show the happiness in the family.
He is an exclusive glimpse the new born Zain Kapoor captured just outside Hinduja hospital, Mumbai.
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Later after recovering his accounts, Shahid Kapoor posted a message for his fans: "Hey guys, thank you for the wonderful wishes".
Before her delivery, Mira was visited by Shahid's brother Ishaan Khatter, mother Neelima Azim, and father Pankaj Kapoor with his wife Supriya Pathak. He shared, "I am very delighted that a new bundle of joy has come to our house". The couple got blessed with a baby boy on September 5 and their latest happy pictures show them heading back to their home. "I wish Shahid and Mira all the very best and many congratulations". Shahid s family is now complete. "We are thrilled about the new arrival". While Mira carries Zain, daddy Shahid can be seen taking charge of his cute daughter. "It's the most delightful thing that can happen to any family".
Shahid will next be seen in the film Batti Gul Meter Chalu, which releases on 21 September.