Dave Grohl and his wife Jordyn Blum seemed happy with his lover two months before the birth of his baby

Dave Grohl and his wife Jordyn Blum seemed happy shortly before he fathered a baby with his lover.

The Foo Fighters frontman, who announced his misstep on Tuesday, was photographed in seemingly good spirits with his wife at Wimbledon in London on July 2.

The long-time couple were all smiles as they watched the women's singles first-round match from the coveted seats in the Royal Box alongside other celebrities.

Grohl, 55, and Blum, 48, chatted, cheered and laughed throughout the tennis tournament, but apparently showed no loving displays of affection.

For the outing, the rocker paired a navy blue suit with a white collared shirt, a gold patterned tie and light brown dress shoes by Dolce & Gabbana.

Blum, for her part, wore a periwinkle-suit-style ensemble with a pleated knee-length skirt, which she accessorized with a cream handbag and matching peep-toe pumps.

The blonde beauty wore her hair in a low braid and both she and her husband completed their look with black sunglasses.

It is unclear when Grohl's fourth child was conceived or born; he and Blum have daughters Violet Maye, 18, Harper Willow, 15, and Ophelia Saint, 10.

“I recently became the father of a little girl who was born outside of my marriage,” he announced on Instagram on Tuesday.

“I plan to be a loving and supportive father to her. I love my wife and children and am doing everything I can to regain their trust and earn their forgiveness.”

The former Nirvana drummer, who did not reveal the woman's identity, ended his message by saying he and his family were “grateful” for the public's “consideration” toward all the children affected as they “look forward together.”

Grohl and Blum – a former model and current MTV producer – met in 2001 at a bar in West Hollywood, California.

“When I 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 her,” he told Elle in 2007.

But “after three months,” the musician said, he “had a revelation and called her back.”

“She picked up the phone and said, 'Oh, I never thought I'd hear from you again,'” he recalled to the outlet.

The couple married in a ceremony at their Los Angeles home in August 2003 and celebrated their 21st wedding anniversary last month.