Dan Auerbach has lullabies in this future! The Black Keys musician made Grammy headlines for something other than music news: he and girlfriend Jen Goodall are not only engaged, they’re also expecting! A rep for the musician confirmed the happy news to E! News after the couple stepped out at this year’s Grammy awards. Auberach is already dad to 6-year-old daughter Sadie with ex-wife Stephanie Gonis. No further details about baby-on-the-way have been shared.