January is already full of surprises as Meghan Trainor and husband Daryl Sabara announced the birth of their third baby. "Our baby girl Mikey Moon Trainor has finally made it to the world thanks to our incredible, superwoman surrogate," Trainor, 32, wrote via Instagram on Tuesday, January 20. "We are forever grateful to all the doctors, nurses, teams who made this dream possible." The Grammy winner shared photos from Mikey's delivery and life as a mom of three as she celebrated her daughter's birthing journey. (The baby arrived on Sunday, January 18.