Grey's Anatomy Spoilers: Private Practice's Caterina Scorsone To Return

greysPrivate Practice alum Caterina Scorsone will reprise her role as Amelia, Derek's sister -- on the current season of Grey's Anatomy.

Per TV Guide, the actress will resurface on the medical drama in an episode slated for the beginning of May and will recur through the rest of Season 10.

Details on Amelia's return to Seattle are still under wraps.

Check out the promo for this week's all new episode of Grey's Anatomy: