The College Football National Championship had just begun, and Twitter was already on fire.
That's because President Trump came onto the field of the Mercedes-Benz Stadium Atlanta to a mix of cheers and boos before singing along to Zac Brown Band's performance of the national anthem.
Trump stood on the field and sang the anthem with his hand over his heart. The TV broadcast didn't pick up what Trump was singing, but Twitter already made up its mind: The president didn't know the words to The Star-Spangled Banner.
See for yourself how people reacted to the president's singing along to the anthem:
There were also people who took pride in the president's appearance at the game and reciting of the anthem:
Follow Andrew Clark on Twitter: @Clarky_Tweets