Today I hit the Grey's Anatomy set, where the likes of Ellen Pompeo, Patrick Dempsey, Caterina Scorsone, Kaydee Strickland, Paul Adelstein and A.J. Langer and others were shooting the big Grey's-Private Practice crossover event, set to air next month on ABC. So what went down? And what fan questions did I get answered?
Here's my live blog (from Twitter) with all the behind-the-scenes fun: