Keira Knightley, on her last legs

Oh the burden of being the most sought after actress for period costume dramas! The pressure to be eternally young and beautiful and sliver thin and ready with a charming pout for the camera! The tremendous weight of carrying around bug netting and its many tiny victims! No wonder the poor girl is about to keel over.
Yes, that silk and tulle dress probably outweighs her by 14 ounces or more.
Hmmm, do you think she LITERALLY eats like a bird? So perhaps the dress is practical after all!