T.R. Knight = Katherine Heigl's Bitch

Posted Mar 1st 2008 3:45PM by TMZ Staff

At a "Grey's Anatomy" event at UCLA's Royce Hall, Katherine Heigl decided she didn't want T.R. Knight to sign any more autographs -- and literally pushed, pulled and jerked him around until he left! Diva, please!

Dr. Stevens need to write herself a prescription for chill pills.