Celeb News » Awww Alert: Twins Join Mariah Carey and John Legend in Video For "When Christmas Comes"

Mariah Carey and John Legend have just released the video for their holiday collaboration, "When Christmas Comes," and her twins make some adorable cameos!

Oh, yeah, Nick Cannon's in there too. He's sort of cute. Sorry buddy!

Filmed in sepia tones, and in the style of home movies of yore, "When Christmas Comes" will surely be viewed at Carey-Cannon family holiday gatherings for years .

Check out the adorableness (and quality crooning) below ...

Mariah Carey & John Legend - When Christmas Comes