Break out the maternity wear because someone's getting pregnant on Grey's Anatomy!
Fan favorite couple Callie (Sara Ramirez) and Arizona (Jessica Capshaw) are going to have a baby on the ABC hit series. That's right, Sofia is going to be a big sister.
But before the odd cravings start, Calzona needs to make a major decision: who's going to be the one to get pregnant?!
We've got an exclusive sneak peek at tomorrow night's episode of Grey's, "Go It Alone," which finds the couple using an unusual method to make the oh-so-important decision...