Ferguson gave birth to a baby boy named Leo, and Gallner, 28, took to Instagram on Wednesday, November 19 with the first photo of the newborn along with one-year-old son, Oliver, in his arms, reported Contactmusic.
He added the caption, "My boys. Welcome to the family Leo. Photo compliments of the amazing and beautiful @tarandoliver aka the raddest lady I know aka my best friend aka mom.