Last year Samantha Cameron made headlines when she chose a £65 Marks & Spencer dress for her husband's party conference.
Fast forward 12 months and the mum-of-three is now the prime minister's wife – and she has the wardrobe to match.
Samantha dressed to impress at David's first party conference as PM this week.
She chose a £749 black silk designer dress from Paul Smith's autumn 2010 range.
Showing off an incredible post-baby figure less than two months after giving birth, the 39-year-old threatened to steal the show in the frock, which featured a pretty pink water rose print.
And just like Justine Thornton – Labour leader Ed Miliband's long-term partner – Samantha chose a pair of black heels from LK Bennett to complete her look.
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Photo: ę Rex