Katherine Heigl, T.R. Knight To Leave 'Grey's Anatomy'
Posted on Tue Feb 10, 2009 12:30 PM PDT

Katherine Heigl HeiglQuits200.jpgLOS ANGELES, California (X17online) - Two of the stars of ABC's hit 'Grey's Anatomy' are reportedly set to leave the medical drama.

According to Us Weekly, Katherine Heigl and T.R. Knight will leave the series at the end of this season.

'Grey's Anatomy' co-star, James Pickens Jr confirmed the news to Us.

Knight has reportedly long been unhappy on the series.

"He complains to Katherine all the time," a set source has said of Knight, according to Us. "The energy on set will be much better when he's gone."