Celebrate the lighting of the world's most famous Christmas tree live with NBC personalities and a popular musical lineup singing holiday favorites. Celebrate the lighting of the world's most famous Christmas tree live with NBC personalities and a popular musical lineup singing holiday favorites. Celebrate the lighting of the world's most famous Christmas tree live with NBC personalities and a popular musical lineup singing holiday favorites. Celebrate the lighting of the world's most famous Christmas tree live with NBC personalities and a popular musical lineup singing holiday favorites.
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