Grey's Anatomy kicked off its seventh season with Owen and Cristina's wedding, and there's another set of nuptials just around the corner before it comes to a close. Callie and Arizona will slip into white gowns on tonight's episode, though apparently their big day doesn't exactly go off without a hitch. We'll have to sit tight before we get more details, but there are a few things to garner from these sneak peek photos: namely, that Bailey will be officiating. Check 'em out!
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