Serena Williams' wedding dress arrives in mystery bag

Serena Williams' wedding is holding tonight in New Orleans and preparation is already underway.

Her wedding dress arrived this afternoon in a white wedding dress bag. An army of people were photographed arriving to make pre-wedding deliveries, including a woman arriving with a box of nail polish to make the bride's nails. Besides that, decorations, gifts and other things were delivered on Wednesday.

The guests expected to be at the wedding are A-Listers and everyone who is someone in sports and entertainment.

See more photos below.