As any engaged citizen knows, Taylor Swift often shows her midriff, but rarely shows her belly button.

A photo posted by Taylor Swift (@taylorswift) on

Why? It's just one of those classic Taylor Swift mysteries, like "How can one person write so many good songs?" As a result, any glimpse of Swift's belly button is a front page news event (especially if you get your news from Taylor Swift's Instagram).

This week on Reddit, there's a photoshop battle surrounding a rare photo of Swift's actual stomach.

(via Imgur)

Many of the images are inspired. Many are lame. And many are NSFW, because this is still the Internet, and anything fun can also turn horrible. You can look at the entire thread to see them all, but here are some of the best ones:

Sources: Refinery29