Pregnant Mariah Carey joined Snoopy to celebrate the recording of a "Charlie Brown Christmas" special in New York City on Friday night.Held as part of the Rockefeller Center's annual Christmas Tree Lighting Ceremony, the wintertime event will be airing on November 30, 2010.Meanwhile, in an upcoming interview with Radio Disney's Ernie D, Mariah dished that her new holiday album is for her unborn child, as she said, "I was recording this when I found out I was pregnant!"
As for her plans for Christmas, the Grammy winning singer told, "I usually go to Aspen, but I'm not supposed to go there this year because I can't ski and I can't really do any of that stuff being pregnant. So, I'm just going to have to figure out where else we're going to go.