Kaepernick's name began trending on Twitter after the NFL aired a Super Bowl ad about ending systemic racism.
The video, posted in 2019, shows military dogs attacking a man in Kaepernick's San Francisco 49ers jersey.
The Colombian singer will co-headline the Halftime Show with Jennifer Lopez in 2020.
Critics, including the former NFL player, pointed out the flag's connection with the era of slavery, as well as its links to white supremacists.
Danny Rose Will Not Be The Last Player To Admit Racism Means He Can't Wait To Turn His Back On Football
If racism isn't met with proper action, football is at risk of losing future generations of players at all levels of the game
"I stand on what I stand, you know what I'm saying?"
The stars got their points across on the red carpet and on stage.
'You're the last person in the world who should use this quote.'
'Believe in something. Even if it means sacrificing everything', slogan reads.
These Americans deserve to be more than another statistic.