No, sorry, but the DDP does not apply to this special dining event (only Fantasmic or Candlelight Processional are included in DDP). Also besides not taking DDP I think you have to guarantee with a credit card when booking...
BTW, if you haven't seen it yet, here's a link to a nice review with great pics about this meal from pooh2007 who celebrated with her DH at CG in October (total bill ended up @ $247):
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