The 37-year-old actress is due in January.
“The Kelley clan is thrilled to announce that we are expecting a third addition to our family. Naleigh and Adelaide could not be more excited to welcome their new sibling into the fold and Josh and I are overflowing with joy and gratitude,” the couple said in a statement (via People).
“This is an incredibly exciting time for us filled with hope, anticipation, and hormones. Well, only I’m filled with hormones, but everyone in the family gets to enjoy them. We couldn’t be more excited to be able to finally share this news with our fans and are looking forward to continuing to share the journey with you all. xoxo, Katie and Josh,” they concluded.
Katherine and Josh are also parents to Adelaide Marie Hope, 4, and Naleigh Moon, 7, who they adopted.
Congrats to the happy couple on the wonderful news!