Taylor Swift reacted to AJ McLean's mashup of her new song, sparking excitement for a potential collaboration. McLean sang Swift's lyrics over the beat of the Backstreet Boys' classic "Everybody (Backstreet's Back)" in a clip posted on social media. Swift commented on the post, fueling fan theories about a future collab. McLean's video comes after Swift released her 12th studio album, which includes the track "Elizabeth Taylor." Fans are eager for the potential collaboration to happen.