Rumours the BEST OF YOU hitmaker and spouse JORDYN BLUM were expecting a baby have been circulating for months, but bandmate Taylor Hawkins unwittingly confirmed speculation when he told MTV.com about the group's touring schedule.
He said, "We're going to be touring Europe in January and February, but we've got be home by March, because Dave and his wife are having a baby.
"But I probably wasn't supposed to tell you that."
Grohl joins a growing list of rocker dads-to-be. In September (05) Queens Of The Stone Age frontman Josh Homme and DISTILLERS singer Brody Dalle confirmed they are expecting a child, while news broke two months later that WHITE STRIPES star Jack White and supermodel wife Karen Elson expecting too.