Jwoww posed for the new issue of Maxim magazine ... but it looks like the Photoshop gods may have taken a swipe at her midsection in at least one of the pics.
The buxom "Jersey Shore" star flaunts her fit bod in a red bikini in pictures posted on the mag's website today -- but look closely at the above left pic, where'd her belly button go?!
(See Jwoww's new fashion line!)
Check out the rest of her sizzling photo shoot!