Favorite Leighton in 17 Photos

Both have big days in the season finale.

Izzie is caught up in a whirlwind of emotions -- and it won't be the last time.

Who's that in the shower?

Leighton Meester poses for photos at the Nylon Mexico cocktail party, celebrating her appearance in the magazine.

Despite their differences, Cristina and Preston love each other dearly.

Is she serious? Well, maybe not. But Izzie Stevens (Emmy winner Katherine Heigl) sure is back in full force and looking forward to running the surgical show in Season Four of Grey's Anatomy.

She's rebuffed Colin Marlow - are Cristina and Preston in the clear?

Even if we see him in the afterlife and not back in Seattle, it's good to reunite with one of our favorite characters.

Leighton Meester is gorgeous. Here she's seen modeling for 17.

One of these two just got engaged. Not that she would tell you.

Leighton Meester poses with her likeness on the cover of Nylon Mexico.

Don't you just love her?!