Decorated Christmas tree, check. Stacks of presents under the tree, check. Families gathered together for the holiday, of course! Christmas celebrations may be wrapping up, but celebrity parents are just getting started posting images of their holiday celebrations. Mariah Carey's twins took to the slopes of Aspen for a snowy holiday, Molly Sims gathered her loved ones around her decked-out tree, and Jessica Alba took a matching pajama picture with all the women in her family. Keep clicking to see how celebrity tots and their families celebrated Christmas this year.