Private Practice's Caterina Scorsone Joins Grey's Anatomy

It's a Shondaland reunion on Grey's Anatomy. According to TV Guide, Private Practice's Caterina Scorsone is set to reprise her role as Derek Shepherd's (Patrick Dempsey) sister, Dr. Amelia Shepherd on Grey's. Scorsone will recur on the medical susder beginning in May, and is set to air until the end of the season.

Photo credit: ABC