Demi Lovato Reveals Why She Can't Stand Taylor Swift Demi Lovato and Taylor Swift are far from friends and it's safe to say that two can never get along, in fact they are anything but friends. But what’s way more interesting than their long going feud is the reason why Demi can’t stand Taylor Swift. Is Demi jealous of Taylor? Is Kim Kardashian a reason Demi dislikes Taylor? Is Taylor’s squad really dissing Demi? Want more details, well let’s dive in!