Kate Walsh’s Addison Montgomery’s arrival to Grey’s Anatomy shocked its viewers during the season 1 finale, yet her presence was so inextricably linked to the show that when she left Seattle Grace Hospital for the Seaside Health and Wellness clinic, the first Shondaland show had lost one of its driving forces. Addison’s first appearance in Grey’s Anatomy was a fitting twist to a season that had its ups and downs, but that seemed to be about to end on a happier note.
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