A source exclusively tells The Post that everyone feels "sorry" for Blum but that some friends are convinced that she "knew" Grohl cheated on her.

Foo Fighters founder Dave Grohl sent shockwaves through the entertainment industry when he admitted that he has welcomed a baby daughter "outside" of his 21-year marriage to wife Jordyn Blum.

Dave Grohl, frontman of Foo Fighters, just took to Instagram with a stunning announcement:

Rocker Dave Grohl on Tuesday admitted he has just welcomed a new baby with someone other than his wife of 21 years.

Former Nirvana drummer and Foo Fighters frontman Dave Grohl announced Tuesday that he’s fathered a baby outside of his marriage to wife Jordyn Blum. Grohl took to Instagram to say he plans on being a loving and supportive father to his newborn daughter, and that he “will do everything” to regain the trust of his wife and children.

Dave Grohl has experienced his fair share of relationship drama while in the public eye, including multiple cheating scandals. The Foo Fighters rocker has been married twice and stepped outside his marriage both times.

The rock legend Dave Grohl sent shockwaves across the globe when he admitted to fathering a child with another woman while married. The Foo Fighters' iconic lead and ex-Nirvana drummer, at 55, let his fans in on a personal secret via an Instagram post,

Dave Grohl has said a viral post claiming to be a picture of the child he welcomed outside of his marriage is fake.