Anil Kapoor penned a heartfelt note for his daughter Sonam Kapoor after she welcomed her second child. The actress announced on March 29 that she has given birth to a baby boy, her second son after Vayu. Today, the veteran actor took to social media to share that his "heart is full." He wrote, "And just like that... my heart has grown even bigger. Welcome to the world, my little one, you are already so deeply loved. Vayu, you're a big brother now... and I know you'll be amazing. Thank you, Sonam and Anand...Nana's heart is full. Welcome to the madness, my baby-welcome to a lifetime of love.