Whether they're big red carpet events, small family affairs, or somewhere in the middle, royal weddings attract an interesting sort of crowd.
Fancy princesses, distant duchesses, political appearances and the odd celebrity make for a curious showing on the steps of churches from England to Liechtenstein. No matter the dress code, these guests always ensure you'll see some curious fashion choices.
In the lead up the next big royal wedding — the biggest of the decade, if you believe the hype — we're taking a look back at the most notable and memorable royal wedding guests outfits through the ages.
Fingers crossed we get a few good additions out of Prince Harry and Meghan Markle's nuptials next week!