It was reported back in September that the wrestler-turned-actor and his partner of nine years were expecting their first child together, but the Instagram post is the first time the couple has confirmed the news.
Johnson, 43, has a 14-year-old daughter named Simone Alexandra from his first marriage to college sweetheart Dany Garcia. The pair married in 1997 after meeting at the University of Miami and announced their amicable split in June 2007.
This will be the 31-year-old singer-songwriter’s first child.
The San Andreas star has a hectic film schedule, with at least nine projects announced, including voicing a character in Disney’s upcoming animated filmMoana. Soon, he’ll be able to add ‘diaper duty’ to his list of commitments for 2016.