Shortly after Tuesday night's ABC News presidential debate between Harris and former President Donald Trump, Swift posted her long-awaited endorsement of Harris' campaign on Instagram.
At the time, he said he had "no idea" about Swift's endorsement.
He had more to say on Wednesday, however, when he told "Fox & Friends" that he isn't "a Taylor Swift fan."
Despite his criticism of Swift, Trump has previously tried to use the pop star in his campaign messaging.
For their part, the Harris-Walz campaign wasted no time churning out merch after Swift's endorsement — launching a pack of two friendship bracelets for $20.
Persons:
—, Taylor Swift, Kamala Harris, Tim Walz, Sen, JD Vance, Ohio, Swift, Harris, Donald Trump, Cat Lady, Vance's, Vance, Martha MacCallum, Trump, Taylor, she'll, Brittany Mahomes, Patrick Mahomes, Mahomes, Mahomes —, Walz, Harris Walz
Organizations:
Service, GOP, Democratic Party, ABC, Business, Fox, Kansas City Chiefs, Trump, Truth