All four of the family members donned Mickey ear Santa hats while meeting the mouse himself in front of one of the Anaheim, California, park's Christmas trees.
They got a bit goofy with the beloved Disney character, even if the actual Goofy wasn't there.
Even though he's the grown-up, Martin may have had the most fun of all!
After meeting Mickey, the 44-year-old singer and his cute crew headed over to Cinderella Castle, where they took in the Christmas lights and decorations and watched the nightly fireworks show, which Martin documented on his Instagram story.
The twins were definitely "livin' la vida loca" over the last few days. Over the weekend, Martin and Yosef were just two of the many celebrity parents who brought their kids to the L.A. premiere of Rogue One: A Star Wars Story.
Disneyland is a pretty great place to celebrate the holidays. Click through the gallery below to see how else stars are getting festive this year.