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.

Dave Grohl’s ex, Kari Wuhrer, says she’s heard “rumblings” about the rocker’s infidelity in his marriage to Jordyn Blum before it was revealed that he had a baby girl with another woman. Wuhrer, an actress best known for her parts in Anaconda and Thinner, told TMZ that there had been chatter around Hollywood about Grohl's cheating ways for years.

Dave Grohl's wife Jordyn Blum was left shocked in the wake of the Foo Fighters frontman's news he fathered a child with another woman

Lead singer of Foo Fighters, Dave Grohl, has announced he had a baby out of wedlock after cheating on his wife, Jordyn Blum, whom he married in 2003. He issued a statement on Instagram revealing the news. Grohl asks for his wife and daughters’ forgiveness as he hopes to move forward.

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Dave Grohl's infidelity scandal may have been a shock to fans, but his ex Kari Wuhrer wasn't too surprised when he confessed to cheating on wife Jordyn Blum and fathering a child with another woman. The model,