The newest Grey's Anatomy-Private Practice crossover event, coming in January, will feature Kate Walsh and Eric Dane as Addison and Mark. ... Answers to all those questions will likely be revealed, or at least hinted at, in future spoilers. For now, it's up to us to debate them right here. What do you think happens, and are you excited for the crossover? Sound off on this Grey's Anatomy-Private Practice news below! Share Comments 0 Comments ...
