Grey's Anatomy Rundown: Episode 13, "Piece of My Heart"

Grey's Anatomy Rundown: Episode 13, "Piece of My Heart" Here's the No. 1 thing I learned from this episode of Grey's Anatomy: I miss Addison. On Grey's, Addison always seemed to be someone who had it together, even when we knew she didn't. She was stronger and sharper-tongued than the version of her who turned up on Private Practice, and she brought something to the Grey's dynamic that no character has been able to replicate.