Popular Comic-Con 2012 Posters

The pregnant "Jane Doe" introduced in "Walk On Water."

A picture of Lauren Stamile, the new guest star and love interest of Derek Shepherd (Patrick Dempsey) on the fourth season of Grey's Anatomy. Will see be a thorn in the side of MerDer?

We were thrilled to get another glimpse of this fine actor on Grey's Anatomy in Season 3.

A photo of Elisabeth Reaser, best known to Grey's Anatomy fans as Jane Doe (or later, Rebecca Pope). She's a good actress and is coming back for at least part of Season 4.

A photo of Lauren Stamile, who plays Rose, a nurse at Seattle Grace - and possible love interest for Patrick Dempsey - in Season Four of Grey's Anatomy.

Will new guest star Chyler Leigh mean more friction between Derek and Meredith.

Sources say he will... soon!

Blake Lively always does. The Gossip Girl star makes her presence felt here in Berlin, Germany, where she's promoting her newest movie.

Gossip Girl star Blake Lively shines at the Berlin Film Festival.

Lauren Stamile has been announced as the newest guest star of Grey's Anatomy. We're interested to hear what the writers have in mind for this cutie.

Blake Lively is in Germany promoting The Private Lives of Pippa Lee, her new movie. Keanu Reeves and Robin Wright Penn star.

Kyle Chandler got the starring role on this show after appearing on Grey's Anatomy.