LOS ANGELES, Dec. 6 (UPI) -- T.R. Knight, Katherine Heigl's co-star on the U.S. television drama "Grey's Anatomy," will serve as a bridesmaid at Heigl's wedding, Usmagazine.com reported.
Heigl is scheduled to marry singer Josh Kelley Dec. 23.
"I'm standing up there and all," Knight told the magazine. "I have to go and get the tux and I am still deciding on a gift."