The Union Jack flags are flying, the portable toilets are in place, and the shops are stocked up with memorabilia.
A huge clean up operation has been underway to make sure not a blade of grass is out of place as hundreds of millions of viewers tune in to watch the event tomorrow.
Some royal-fanatics have been camping out since earlier in the week to secure themselves a prime viewing position.
Around the capital hotels, restaurants, and shops are all doing their bit to join in the celebrations.
Retail workers in the west end will be encouraged to wear a hat to work tomorrow, Swissotel The Howard will be serving a Royal Tea, and Mayfair restaurant Quaglinos will be hosting a special gala dinner.
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