Favorite Leighton in 17 Photos

Please! You know you want to.

Leighton Meester looks beautiful in Seventeen. Who here is surprised?

Derek certainly tried his best, but now all he can do is pray/.

In more ways than one, no?

At night, outside SGH.

But will she be revived?

Better than ever if you ask us.

Mark Sloan (Eric Dane) shows us a rare smile in an early episode of Season Four of Grey's Anatomy. Hopefully this fellow will be smiling more in this exciting new campaign.

Alex, Cristina, Izzie and George worry about Meredith.

Derek can't believe the events of the past 24 hours.

Poor thing.

So McDreamy!