Pol Roger, Perrier Jouet and Bollinger all bid on Tuesday in the hope of being chosen to supply champagne for the event.
Only bubbly produced in the champagne region of France can claim the name "champagne."
The secret to good champagne is apparently in the tiny bubbles that pop beneath the nasal receptors and stimulate the senses.
Guests at the wedding of Prince Charles and Princess Diana drank a 1973 Bollinger.
Taste, prestige, contacts and perseverance will all play roles in the decision of which company supplies their bubbly for Prince William and his fiancée.
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