There were lots of snubs and surprises when it came to the royal wedding invitations. So what's our advice to the celebs who reportedly will be in attendance? WeddingChannel.com breaks down the rules these A-listers should follow.
By Amy Eisinger for WeddingChannel.com

Celeb Guest: Kanye West
Do: Bring your A game.
With some serious style and swagger, we've seen you charm millions before, Kanye. If anyone can walk away from this wedding with a girl (or two) on his arm, it'll be you. Just remember to be on your best behavior.
Don't: Bring the Hennessey.
Let's face it: The past few years have brought a few very unflattering faux pas your way. Leave the booze behind so you don't end up having another Taylor-Swift-spotlight-stealing moment during, say, Prince William's groom speech. And if asked to give an impromptu performance, we think you should skip the song "Gold Digger."
Planning cocktail hour? Use this handy guide
Celeb Guest: Sir Paul McCartney
Do:
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