The Duchess of Cambridge at London Olympic gala concert

On an evening out, she usually likes to let her hair down. But the Duchess of Cambridge raised the style stakes last night – opting for an intricate chignon instead.

The elegant knotted bun, put in place by a team from the Richard Ward salon in Chelsea, showed off the elaborate design of her teal Jenny Packham dress to full effect.

The tiny gems in the delicate lace across her back and shoulders shimmered as she arrived at a gala at the Royal Albert Hall to mark the countdown to the London Olympic Games.

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