With ‘Grey’s Anatomy’ returning for season 18, will we see Addison return? Kate Walsh weighs in

Season 17 of Grey's Anatomy saw the return of several fan favorite characters, such as Patrick Dempsey's Derek Shepherd.  With ABC green-lighting season 18, fans beg to wonder if other familiar faces will make an appearance next year. Kate Walsh, who played Addison Montgomery -- Derek's ex-wife -- for several seasons before starring in her own spinoff Private... Read More.