The Rock smells what's cooking: a baby inside his girlfriend's belly. He and his singer-songwriter girlfriend Lauren Hashian announced they were having a baby in September and now they have an adorable update:

The caption reads:

I was raised by and live with amazing and strong women, so the universe felt we needed one more... IT'S A BABY GIRL!! THANK YOU guys so much for the awesome support and love you've sent@laurenhashianofficial and myself from around the world. We're so grateful for this blessing and thrilled to share the news with y'all. #BringOnMoreEstrogenInOurHome#MeAndPuppyHobbsAreTheOnlyDudes 

Sources: The Rock