Shahid Kapoor and Mira Rajput have welcomed their second child, a baby boy. The actor took to his Twitter feed to share the good news and introduce Zain Kapoor, his son to the world, “Zain Kapoor is here and we feel complete. Thank you for all the wishes and blessings. We are overjoyed and so grateful. Love to all (sic).”  The couple are parents to four-year-old daughter, Misha.