In the photo, the 20-year-old singer appears standing shirtless and pant-less on a boat with a square of flesh-colored pixels obscuring his genitalia. Payne captioned the image: "Damn that was my last pair!"
Fans of the British boy band fell into a frenzy after Payne shared the image and created the hashtag #Uncensoritliam, through which they shared their own version of the uncensored photo.
Payne uncovered the mystery himself by sharing the original version of the photo hours later with the title: "I found them never mind aha."
Swim Week Miami Beach 2014 [PHOTOS]