Taylor Swift praised Charli XCX in a new interview. Here's everything you need to know about their rumored feud.

• Taylor Swift recently praised Charli XCX in a new interview with New York Magazine.
• Rumors of a rift between the women were sparked this summer by Charli's song "Sympathy is a Knife."
• Swift and Charli have a decadelong history as friends, tourmates, and pop-star adversaries.

Taylor Swift reignited stan-war discourse this week by contributing to a New York Magazine cover story about Charli XCX, her previous tourmate and current contender on the pop charts.