This invitation by Vera Wang is perfectly chic -- Available at FineStationery.com
Decorate the party space with lots of gorgeous ribbons in varied shades of blues. Add crystals and shimmering ribbon for extra glam -- Hostess with the Mostess
Hanging chandeliers around the venue adds to the overall style. Consider renting a few chandeliers from a party rental shop if your venue does not already have them -- Hostess with the Mostess
As the guest of honor, a pretty blue dress is the perfect statement -- ModCloth
Accessorize with a dainty blue chiffon hair clip -- Etsy shop Dinkybird Boutique