Steven Tyler is going to be a grandpa — again!

The Aerosmith frontman took to Instagram on Sunday, Nov. 20 to confirm his daughter Mia Tyler, 37, is pregnant!

"MY BABY IS HAVING A BABY," the 68-year-old rocker captioned a sweet throwback photo of his little girl.

View this post on Instagram


A post shared by Steven Tyler (@iamstevent) on

Steven welcomed Mia with his first wife, Cyrinda Foxe — whom he was married to from 1978 until 1987 — back in 1978. He's additionally a father to actress Liv Tyler, 40, from a previous relationship with Bebe Buell and to a daughter Chelsea Anna Tallarico, 27, and a son, Taj Monroe Tallarico, 25, with his second wife, Teresa Barrick, whom he divorced in 2006 after nearly 20 years of marriage.

MUST SEE: Steven Tyler, 67, Steps Out With Rumored Girlfriend Aimee Ann Preston, 28

Mia is expecting her first child with her boyfriend, Dan Halen. Her little one will join Steven's three other grandchildren: Liv's three kids, 11-year-old Milo, 21-month-old Sailor *and four-month-old *Lula Rose.