Steven Tyler might be the coolest grandpa ever

After a whirlwind romance, Steven Tyler’s daughter, Liv, is pregnant for the second time, but how does the rock star feel about becoming a grandfather again?

Liv Tyler expecting, but who is her baby daddy?

He couldn’t be happier! The Aerosmith frontman revealed during an interview with E! News that he’s over the moon at the news of his daughter’s pregnancy with her beau, Dave Gardner.

“I am over the moon that we are adding another member to our wolf pack. Being a father and a grandfather is the greatest gift in life so far,” Tyler confessed. Awww, what a sweetheart!

And the “I Don’t Want to Miss a Thing” hit maker is not the only person who is thrilled by the news; so is the happy couple.

Liv Tyler’s dating David Beckham’s BFF Dave Gardner

Liv’s rep confirmed the worst-kept secret in Hollywood to People magazine on Monday, Sept. 29, with an insider revealing to the mag that the couple “is thrilled with the news.”

Liv and her beau, who happens to be David Beckham’s BFF, have only been dating for a few months, but they appear to be completely smitten with each other. The pair, who reportedly met through Kate Moss, has been seen on multiple occasions holding hands and kissing — including on a romantic getaway to Formentera, Spain.

Steven Tyler gushes about Johnny Depp’s engagement party

This will be the second child for the The Leftovers actress, who shares one son, Milo William Langdon, with her ex-husband, Royston Langdon, and the third child for Gardner, who shares two children with his former wife, English actress and socialite, Davinia Taylor.

So, now, an official congratulations is in order for the happy couple!