Possible Clues:

• 'Vidi,' translated
• "__ it first!"
• "___ Mommy Kissing Santa Claus"
• '-- Mommy kissing ...'
• Our Christmas quote begins
• "Vidi," in English
• 54-Across, here
• "The First Time Ever ___ Your Face"
• ''___ Mommy Kissing Santa Claus''
• ''Was it a cat __?'' (palindrome)