T.R. Knight's Next Role: Katherine Heigl's Bridesmaid

Always the bridesmaid, never the bride, T.R.? T.R. Knight aka George on "Grey's Anatomy" will be standing at the altar alongside BFF Katherine Heigl when she weds musician Josh Kelley on December 23. And I'm sorry to disappoint you, but he will be wearing a tux, not a dress.

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