In a gray dress with diamond jewelry, Underwood confidently worked through the song. She stood just in front of Joe Biden and Kamala Harris as she sang, and afterward, as she thanked the crowd for singing with her, Biden could be seen mouthing "Good job" to her.

In the Know's Cate Martel reports Hollywood and celebrity A-listers did everything in their power to stop Donald Trump from returning to the White House last year, bringing to the campaign trail megastars including Taylor Swift,