Favorite Leighton in 17 Photos

Like only McDreamy can.

Derek sees that McSteamy has returned to Seattle.

Will Derek and Mark rekindle their old friendship?

Dr. Shepherd learns that Addison learned about his affair before he could tell her.

Karev swears it's not awkward. Really.

Leighton Meester at a party celebrating her cover of Nylon Mexico in January 2009.

Addison and a very pregnant Miranda discuss.

And beautiful! Meredith Grey is great.

On and off the screen!

Seriously.

Derek Shepherd frantically searches for his girl.

Callie Torres takes no prisoners.