Mariah Carey/DemBabies.com/. 1 / 14
Mariah Carey/DemBabies.com/. 1 / 14

Dem babies are growing up fast!

2011 was indeed a big year for Mariah Carey and Nick Cannon, who welcomed twins Moroccan and Monroe, now 8 months, in April after a lengthy struggle to conceive.

PHOTOS: Stars who struggled to conceive

Now, as the year draws to a close, the couple are highlighting their kids' first year with a series of new holiday-themed photos, posted on their family's photo album website, DemBabies.com.

PHOTOS: Mariah and Nick's love story

In one snapshot, captioned "Monroe & Moroccan's First Christmas," Carey, 41, and her daughter pose with Santa Claus, while Monroe (nicknamed "Roe") is all smiles in a pumpkin outfit.

PHOTOS: How A-listers celebrated the holidays

"My family gives me everything," Cannon, 31, told Barbara Walters in an interview earlier this year. "Unconditional love means ... the world to me. I mean, it's completion."

"It's just love," added Carey. "It's a beautiful place to be."

MORE FROM WONDERWALL:

Year in Review: Celebrity Babies of 2011

Year in Review: Celebritots 2011

Most Buzzed-About Celeb Bodies