Hi Preston,
Thanks for joining us here at the Disney Parks Moms Panel with your question!
Mickey's Very Merry Christmas Party is one of the most amazing special events of the year at the Walt Disney World Resort. I hope you're ready for some special sweets and holiday beverages, the Once Upon a Christmastime Parade, and a brand new fireworks show-
Minnie's Wonderful Christmastime Fireworks! Are you ready to see Queen Elsa transform Cinderella Castle into a beautiful ice palace? It's a wondrous sight!
Preston, here's how
FastPass+ selections using your Mickey's Very Merry Christmas Party ticket work: yes, you may make FastPass+ selections from 4-7 pm on the night of the party using that ticket, as long as you do NOT have any other FastPasses made for earlier that day in your My Disney Experience account.
Should you choose to make FastPass+ selections for another park earlier in the day, the normal rules for FastPasses will apply to your party ticket. You'll have to make and use your first three FastPasses, and then you can make additional selections.
I hope this isn't too confusing; please come back and see us again with any additional questions.
Best Wishes,
Amy S.