Follow Kate Middleton's hair rule if you're wearing a hat to a wedding

ok.co.uk:

Hats off to you if you’re planning to wear formal headgear for a big event. It’s a trending look fashion-wise, but you need to make sure your hair completes the look, not competes for attention.

One person who always gets it spot on is the Princess of Wales, thanks to one simple hair rule the experts say we should all follow.

And it’s this: a fancy hat needs a fancy up-do. “Kate’s updos are the perfect choice, because it’s got to be hat or hair,” says celebrity hairdresser Michael Douglas, founder of hair tools brand MDLondon. “Having your hair up keeps the whole look formal and beauty orientated.

Wearing a hat with your hair down only works if it’s that messy boho look for a festival.” (Sadly, the only Kate we’re likely to spot at Glasto with a fedora and wellies combo is Ms Moss, but we do think the Princess of Wales could pull off that look too.