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We're always a little confused when we see our favorite docs without their signature scrubs, so of course the first thing we noticed about this set pic that Patrick Dempsey (Derek Shepherd) recently tweeted was Ellen Pompeo (Meredith Grey) and Jessica Capshaw's (Arizona Robbins) business casual attire.

Patrick tweeted this pic on January 28, 2013. We're not positive which episode it's from, but as of January 25th the docs were working on Episode 16: "This Is Why We Fight."

In the photo, Arizona is dressed in a white shirt and black jacket, while Meredith has on a slightly more casual, but still nice, outfit. These days, that seems to mean one thing: lawsuit time!

We know this episode is also slated to be Dr. Cahill's last, so we wouldn't be surprised if the lawsuit plotline finally starts to wrap up around this time.

On another note: Is it just us, or is Mer's baby bump starting to show?

For more Grey’s spoilers, click here.

Catch the next new episode of Grey’s Anatomy on Thursday, January 31, 2013, at 9 p.m. ET/PT on ABC.

Source: @PatrickDempsey, @JessicaCapshaw