Who's There: Jesse Metcalfe & Brenda Song?

It's Thursday and time to ask..."Who's! There!" This week: more on Princess? Duchess? Meghan Markle, a mysterious photo of Kristin Chenoweth, Kathy Bates & Sarah Hyland, our Celebrity Big Brother (U.S.!) dream cast, Katherine McPhee's wedding crashing antics and are Laurie Metcalf and Jesse Metcalfe related? (No.)