Secretary of State for Equality Harriet Harman made history yesterday when she became the first woman from the Labour party to answer Prime Minister's Questions.
Ms Harman is also Leader of the House of Commons and Deputy Leader of the Labour party.
Yesterday she was faced with former Tory leader William Hague, filling in for David Cameron.
The Prime Minister was at a NATO summit in Bucharest, and by tradition the other party leaders stay away from PMQs as well.
Mr Hague's performance at the dispatch box confirmed his reputation as possibly the funniest Commons performer of his generation.
Earlier this week Ms Harman caused outrage in her own constituency after she was filmed on a walkabout with local police wearing a stab-proof vest.
She later insisted she was only wearing it as part of the 'kit,' in the same way a politician visiting a factory may wear a hard hat or a hair net.
"Before turning to domestic issues, I was going to be nice to the right honourable and learned Lady," said Mr Hague.
"She has had a difficult week.
"She had to explain yesterday that she dresses in accordance with wherever she is going: she wears a helmet on a building site, she wears Indian clothes in the parts of her constituency with a large representation of Indian people, so when she goes to a Cabinet meeting, she presumably dresses as a clown."
Ms Harman kept her composure, though many on her own benches were visibly amused by the barb, and responded in kind:
"I would just start by saying that if I were looking for advice on what to wear or what not to wear, the very last person I would look to is the man in the baseball cap."
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