The pop star—and unofficial Queen of Christmas—will perform at the Games’ opening ceremony, scheduled at the San Siro Stadium ...

The singer's "All I Want for Christmas is You" just notched its 20th non-consecutive week atop the Billboard Hot 100 chart.

Once they've mastered that skill, you can move on with singing. Start with one song, and play it for them often, encouraging ...

"All I Want for Christmas Is You" was previously the only holiday song to ever top the 'Billboard' Global 200 chart ...