Spencer appears with his mini-me.
"Merry Christmas! This was the most amazing, heart filling, blessed Christmas of my life! Thank you God," Heidi wrote on Instagram. "Last year I dreamed and prayed for this angel! What a dream come true!"
"Happy Holidays!" Heidi wrote on Instagram. "Love all The Pratts!❤️"
"Leveled Up," Spencer wrote on Instagram.
"Best #Christmas ever! I have everything I want for Christmas! #blessed," Heidi wrote on Instagram.
"It took a lot to get to this moment! @gunnerpratt first Christmas party!" Heidi wrote on Instagram. "Three hours of bouncing on a ball, an hour in traffic, and pulling over to let out my poor angel. Well worth it! #christmas #babysfirstchristmas."
"You make me feel like Christmas," Heidi wrote on Instagram.
Heidi, Spencer and their baby boy get into the fall spirit.
A screenshot from a sweet video Heidi posted on Instagram.
Heidi shared this selfie on Instagram, writing, "Christmas is my favorite time of year! So blessed to have @gunnerpratt to share all the new traditions and memories! All I want for Christmas is my baby! Gunner looks very amused by his parents selfies."
Baby Gunner meets Santa for the first time.
Gunner attends his first commercial audition.
The proud dad cuddles with his son on the holiday.
Kourtney Kardashian and Travis Barker's Baby Shower