Duchess Kate chose a tailored Christopher Kane number in ice blue with a cinched waist and respectable hemline.
And, yes, Kate looked her normal pretty self too.
The Queen, meanwhile, went for a sparkly and feathery formal frock. And look, not a hair out of place following that impressive sky dive. Very nice work, ma'am.
And, for more Royal style, here's a gallery of some of Kate's finest sartorial moments.