Dave Grohl reportedly hired a divorce lawyer before announcing he had fathered a child out of wedlock.

On Wednesday, People reported that the Foo Fighters frontman has reportedly hired a divorce attorney after 21 years of marriage to Jordyn Blum.

The exact date he sought legal advice, and the reason for it, are unknown. His representative did not immediately respond to Page Six’s request for comment.

Grohl, 55, surprised fans on Tuesday when the musician announced he had an extramarital affair, which resulted in him having a daughter.

“I recently became the father of a new daughter, born out of wedlock,” Grohl wrote in a statement on Sept. 10. “I plan to be a loving and supportive parent to her.”

Grohl went on to say that he loves his wife and their children and is doing everything he can to “regain their trust and earn their forgiveness.”

“We are grateful for your attention to all the children involved as we move forward together,” he added.

The former Nirvana drummer has not revealed the identity of the woman with whom he shares his newborn daughter.

Grohl already has three daughters with Blum: Violet Maye, 18, Harper Willow, 15, and Ophelia Saint, 10.

His eldest daughter, notably, deactivated her Instagram account after her father posted the statement. It is unclear, however, whether her account was taken down because of the baby drama or for other reasons.

Blum, 48, met Grohl in 2001 at a bar in West Hollywood, California. They married nearly two years later, on August 2, 2003.

“When I first met my wife, we went on a few dates and I decided I wasn’t ready for a serious relationship, so I just stopped calling,” Grohl previously told Elle in 2007. Three months later, Grohl “had an epiphany” and called her.

“She picked up the phone and said, ‘Oh, I never thought I’d ever hear from you again,’” he mused.

The former model and Grohl appeared happy when they last saw each other in public, two months before welcoming their fourth daughter with the mystery woman.

Blum and Grohl were photographed laughing and chatting at Wimbledon in London on July 2.