LESTER HOLT: And another pop star making news, Taylor Swift giving Kamala Harris a surprise endorsement, but does this kind of celebrity support really sway voters? Here's Savannah Sellers.
JENN MARIE: Breaking [ bleep ] News.
HOUFDIZZLE: She endorsed Kamala tonight.
SAVANNAH SELLERS: Just moments after the debate, it was the Instagram post that ricocheted across the internet and social media.
THE RELATABLE AUNTIE: Taylor Swift endorsed Madam VP Kamala Harris.
SELLERS: Pop megastar Taylor Swift telling her 283 million followers that after seeing artificial intelligence of her falsely endorsing Donald Trump, she felt the need to be transparent.