Mariah-Carey-Christmas-Washington.jpgFull of twins and the Christmas spirit, Mariah Carey continues her non-stop yuletide tour in the nation’s capital for the annual “Christmas in Washington.”

]]>Maxwell, Miranda Cosgrove, Matthew Morrison and Annie Lennox — the latter of whom was not nervous, in case you have a short memory. But Christmas, like so many things, is all about Mariah. And not content with a Christmas special of her own, “Washington” is pretty much a one-woman show too. Here’s her performance of “One Child.” (Spoiler alert: it’s much better than Morrison’s “Mele Kalikimaka.”)