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What was Hollywood up to nine months ago? Because newborns are arriving fast and furious! First we hear Christina Aguilera’s given birth to daughter Summer Rain. Then, Xtina’s The Voice co-star Carson Daly becomes a dad for the third time, and now Dave Grohl of the Foo Fighters has welcomed his own new addition.

Dave and wife Jordyn Blum confirmed the happy news with People. The 45-year-old musician’s rep clued the magazine in about Baby Girl No. 3’s arrival; she joins big sisters Violet, 8, and Harper, 5.

While the rock star couple didn’t give a specific birth date for their little one, People did a bit of digging and found the obituary for Dave’s father, Jim Grohl, who died on August 6. The August 8 obit lists Jim’s three grandchildren: Violet, Harper, and Ophelia, the latter of whom is probably Dave’s new kid unless his sister up and had a baby too.

Dave and Jordyn announced they were expecting a third child back in early February. At the time, we hoped she might be as musical as her older sisters; Dave’s often gushed about how his baby girls love to croon. Eldest daughter Violet in particular loves Amy Winehouse.

“It’s all about the ‘Rehab’ song,” he once told People. Conclusion: It’s only a matter of time before the Sisters Grohl hit the road.

SourcesPeopleThe Vindicator

Credit: NDN Photo: Oh Baby! Celebrities Can’t Get Enough of Their Little Bundles of Joy (VIDEO)