Actor T.R. Knight tied the knot on Friday, Oct. 5, and at least one of his famous friends showed up to the ceremony.
Knight left Grey's Anatomy prematurely in 2007 following an incident in which co-star Isaiah Washington allegedly referred to him using an anti-gay slur. Heigl's time on the show ended in 2010, citing her adopted daughter Naleigh as the reason for her departure.
"I started a family and it changed everything for me," Heigl told Entertainment Weekly at the time. "It changed my desire to work full-time."
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