On Jan. 21, Carrie Underwood had her second child with husband Mike Fisher. The country singer — who already has a 3-year-old son named Isaiah — announced the birth of her newest baby boy on Instagram, writing, "Jacob Bryan Fisher entered the world in the wee hours of the morning on Monday . . . his mom, dad and big brother couldn't be happier for God to trust them with taking care of this little miracle! Our hearts are full, our eyes are tired and our lives are forever changed. Life is good."