FLUFF: Kate Upton caught in an unfortunate Photoshop accident.

Poor Kate Upton.

The buoyant 21-year-old supermodel is always losing body parts in magazine Photoshop accidents.

Here she is in Harper’s Bazaar, with the headline: “Kate Upton’s bikini body secrets, revealed.”

One of them — lean in and we’ll tell you — is to get your underarm rubbed off by a computer. SECRET REVEALED.

Let’s zoom in to check out the close-up damage…

And because one Photoshop disaster always puts you in the mood for another. Here:

00:00 / ???