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 Dadlani, 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!

(Source: IANS)