Is Taylor Swift actually Kyle XY? While she has rocked plenty a midriff-baring top in this '1989' era, we've never seen her belly button -- and she told Lucky magazine the reason why.

“I don’t like showing my belly button. When you start showing your belly button then you’re really committing to the midriff thing," she explained. "I only partially commit to the midriff thing -- you’re only seeing lower rib cage. I don’t want people to know if I have one or not.”

Taylor, who looks stunning on the mag's December 2014/January 2015 cover in a black fedora and a matching black dress (no belly button in sight!), joked that she basically wants to keep her navel a secret from the world.

“I want that to be a mystery. As far as anyone knows based on my public appearances, they haven’t seen evidence of a belly button," she said. "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.”

Since so much of Taylor Swift's personal life has been made public -- whether it's through her own songs or the media -- we don't blame her for wanting to keep some things private. Swifties, what do you think of Taylor's decision?

See Guys' Reactions to Taylor Swift's Songs About Them