Mumbai: Actor Boman Irani is joyous about becoming grandfather after his son Danesh and daughter-in-law Reah welcomed their first child. The 56-year-old took to his Twitter account to announce the arrival of his grandchild. "My daughter-in-law is a mom today. My son is a now dad. My wife is a grandma and I am a Grand-dad,” Boman tweeted. Celebrities like Vishal Ddadlani, Sajid Khan, Ritiesh Deshmukh wished Boman, who according to them, will be the "coolest grandad". Here's what they had to say: Vishal Dadlani: Congrats, Boman Irani! Love to the whole family! Sajid Khan: Congrats Bomsy. Sophie Choudry: Congrats Bomzi. You will be the coolest grandad! Big hug and God bless. Riteish Deshmukh: Yay Bomzey. Super congratulations - very very happpy. Genelia Deshmukh: Congratulations. So so happy for all of you. Bipasha Basu: Congrats! Hugs!