and BFF costar T.R. Knight
are hanging up their scrubs and leaving Grey's Anatomy
"Yes, she is [leaving]," co-star James Pickens Jr.
(Dr. Richard Webber) tells Us Weekly
. "Wherever Katherine
goes, I wish her nothing but the best. [TR Knight
's] going too. He just wanted to pursue other career paths."
"Right now, the whole thing is in the hands of their agents and ABC's