A week ago, if you told me my boyfriend was cheating on me, I would have called you a liar. If you said a movie star would walk into my bakery and offer to help make my ex jealous, I would have thought you’d eaten one too many of my grandmother’s special brownies. There’s no way a movie star is going to fall in love with a bakery owner from Wisconsin. This isn’t a Hallmark movie. But I’m starting to wish it was…