Bar girl.

Her character hasn't even officially been seen yet, but new guest star Chyler Leigh is already on many fans' enemies list. Seen in promos for tonight's episode talking to Derek at the bar, and having been reportedly offered a deal that extends into Season 4, she's the talk of the Grey's Anatomy world.

So is Burktina. With one day to go before their wedding, Preston Burke is working on their vows and Cristina Yang is more concerned with studying for her big test.

What will become of another couple that's already married - O'Callie - as suspicions about George and Izzie rise? What is Richard yelling about? And will we finally know who Jane Doe/Ava is?

Here's a preview of "Testing 1-2-3" ...

[youtube]http://www.youtube.com/watch?v=gQ7ykdq-Dlw[/youtube]

As usual, we'll have our episode recap, music guide, list of quotes and gallery up after the show. We're looking forward to this episode and will be watching right along with you. Follow this link for our episode guide, quotes, pictures and more from last week's "The Other Side of This Life."

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.