Kelly McCreary Promoted to Series Regular on Grey's Anatomy

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Kelly McCreary won't be checking out of Grey's Anatomy any time soon.

The actress - who plays Meredith's half-sister, Dr. Maggie Pierce - on the long-running ABC medical drama has been promoted to series regular status.

Who Wouldn't Smile? - Grey's Anatomy

McCreary came on board toward the conclusion of Grey's Anatomy Season 10 when Pierce was hired at Grey Sloan Memorial as the head of cardiothoracic surgery.

The character hasn't exactly enjoyed a smooth relationship with her partial sibling, though that began to change last Thursday when the pair bonded over their late mother's diary.

Grey's Anatomy Season 11 Episode 5, "Bend & Break" airs tonight at 8/7c on ABC.

And then Grey's Anatomy Season 11 Episode 6 airs in two weeks, on November 6, at 8/7c. 

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.

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Grey's Anatomy Quotes

Life is too precious to waste doing anything less than what makes us happy.

Miranda

MEREDITH: "You don't get to call me a whore. When I met you, I thought I had found the person that I was going to spend the rest of my life with. I was done! All the boys and all the bars and all the obvious daddy issues, who cares? I was done. You left me. You chose Addison. I'm all glued back together now. I make no apologies for how I chose to repair what you broke. You don't get to call me a whore."
DEREK: "This thing with us is finished. It's over."
MEREDITH: "Finally."
DEREK: "Yeah, it's done."
MEREDITH: "It is done."