Dr. Izzie Stevens (Katherine Heigl) is all smiles in this promotional photo for "These Ties That Bind," from the turbulent but terrific fifth season of Grey's Anatomy.
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Eh, that doesn't work. Alex and Izzie don't lend themselves well to couple nicknames. But people seem to like them as a couple. Some people, at least.
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We heart Izzie. We don't know what she's smiling about in this scene from "Rise Up," from Season Five of Grey's Anatomy, but we can't wait to find out.
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It makes us melt. Wonder what Izzie Stevens is smiling about in this scene from "Rise Up," from Season Five of Grey's Anatomy ...
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It's another shot of Izzie in the locker room in a scene from "Rise Up," from Season Five of Grey's Anatomy.
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Dr. Isobel Stevens, better known as Izzie, in a scene from "Rise Up," from Season Five of Grey's Anatomy.
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Izzie Stevens (Katherine Heigl) runs some tests in a shot from "Life During Wartime," from Season Five of Grey's Anatomy.
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Alex and Izzie care for a pained patient in "Life During Wartime," from Season Five of Grey's Anatomy.
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Izzie Stevens sits on the back of an ambulance in "Life During Wartime," from the fifth season of Grey's Anatomy.
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Alex and Izzie embrace in "There's No 'I' in Team" from the fifth season of Grey's Anatomy.
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Yes she does. Quite a lot. Here she is in a photo from "There's No 'I' in Team," from Season Five of Grey's Anatomy. Dr. Stevens is never far from a new crisis.
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Well, not that kind of action. But there's a lot of activity in this photo from "There's No 'I' in Team," from Season Five of Grey's Anatomy, as the residents discuss their respective days.
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Grey's Anatomy Quotes

[narrating] "At the end of the day, when it comes down to it, all we really want is to be close to somebody. So this thing where we all keep our distance and pretend not to care about each other, it's usually a load of bull. So we pick and choose who we want to remain close to, and once we've chosen those people, we tend to stick close by. No matter how much we hurt them. The people that are still with you at the end of the day, those are the ones worth keeping. And sure, sometimes close can be too close. But sometimes, that invasion of personal space, it can be exactly what you need."

MEREDITH

Did you say it? 'I love you. I don't ever want to live without you. You changed my life.' Did you say it? Make a plan. Set a goal. Work toward it, but every now and then, look around; Drink it in 'cause this is it. It might all be gone tomorrow."

Meredith (closing voiceover)