By: Kirsty McCormack
Published: Wed, September 17, 2014
The 38-year-old was clearly annoyed when David Poland took it upon himself to tell Keira she appeared "a little worn out" and couldn't help but retaliate.
As the Hollywood stars had their make-up touched up, Benedict told David: "That's not a nice thing to say to one of the most beautiful women on the planet," before Keira added: "Yeah, f*** you!"
David then proceeded to tell the 'Atonement' star that she had "a little Morticia Adams thing going on there", implying that she looked pale.
Keira, who was wearing a pretty white lace dress which was adorned with black polka dots, admitted that she looked tired because she hadn't eaten.