Swift has always said she wanted her belly button to remain a "mystery," explaining, "As far as anyone knows based on my public appearances, they haven't seen evidence of a belly button. It could be pierced. They have no idea. If I'm going to get some sort of massive tattoo, it's going to be right next to my belly button because no one's ever going to see that."

While taking a photo with a fan at a recent show, Swift decided to be a little cheeky and lift her crop top just enough to expose her belly button, which is totally normal looking.