Tuesday night's sparkling soiree was a regal one and the Duke and Duchess of Cambridge went all out for the occasion.
The beautiful headpiece (complete with diamond arches and pearl detailing) was the perfect accompaniment to Kate's diamond drop-down earrings and Alexander McQueen gown. The last time we saw her looking this radiant and regal was on her wedding day, but last night's state banquet was the perfect place to wear some serious sparkle.
Unfortunately, diamond tiaras aren't that easy to come by unless you're a duchess.
In case you're fresh out of sparkle, here's a gallery of glitzy hair accessories to add a little shimmer to your look this season: