'Grey's Anatomy' cast take a knee in support of national anthem protests

Creator Shonda Rhimes and the cast celebrated their 300th episode.

The "Grey's Anatomy" creator and her cast were celebrating the 300th episode of the ABC series.

Posting the same photo, Pompeo wrote, "We kneel because we are supposed to be one nation under God, indivisible, with liberty and justice for all."

When one of Williams' followers suggested boycotting "Grey's Anatomy" after the cast took a knee, the outspoken actor, 36, clapped back.

"You’ve already tried this. No one’s scared of u. Also, u follow me. #GetYourLifeTogether See u this Thursday for our season premiere at 8pm!" Williams wrote.