Inauguration Day January 20, 2021 2:19 pm Key Moments From Biden's Inauguration President Joe Biden was sworn in as the 46th commander-in-chief Wednesday. Here are some of the key moments from the inaugural ceremony. US & World Videos 1:20 Gigi Hadid wows in sweeping Met Gala look 1:52 Amanda Seyfried reveals her kids' reaction to her daring metallic Met Gala look 1:34 Nicole Kidman floored over Olivia Rodrigo's AMC ad tribute 1:12 Ariana Grande channels Glinda at 2024 Met Gala 1:02 20% of nurses to leave field within 2 years