Being told to smile is the ultimate bug bear for women. And it's something that Serena Williams knows all too well.
The tennis star attended a late-night conference after beating her sister Venus in a tournament.
It was late, she wanted to be in bed, and people were asking her the same, God damn questions.
So when she was asked, by a male reporter, why she wasn't smiling - something snapped.
Serena turned on the sass and told him: "To be perfectly honest with you, I really don't want to be here."
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And her answer struck a chord with women everywhere. You go girl.