With two days to go until their wedding, Katherine Heigl and fiance Josh Kelley share a high-five over lunch in West Hollywood. Congratulating themselves on a job well done planning their wedding, perhaps? That, or they're just clowning around!

Cute couple: Katherine Heigl and Josh Kelley will marry Sunday, December 23.

With her Golden Globe nomination and her new movie coming out next month in 27 Dresses, Katherine Heigl's wedding is sure to ignite a frenzy among celebrity gossip publications and websites. We'll share with you whatever photos we can find!

Once Katherine ties the knot, T.R. Knight, Sandra Oh and Sara Ramirez will be the last remaining unmarried members of the Grey's Anatomy cast. Both Ellen Pompeo and former star Kate Walsh came off the market in the past few months.

For all the sleeping around that goes on at Seattle Grace, this is a remarkably stable group of men and women when it comes to real-life relationships!

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