What is Katy Perry's QR code tattoo? Katy's look was undeniably a showstopper at the 2024 MTV VMAs, but what truly caught the eyes of fashionistas was the unique QR code "tattooed" on her back.

Katy Perry showed off her pert bottom as she posed for a series of photos in a red satin lace-up skirt. The chart-topping star shared a slew of pictures to her Instagram page as she displayed her ...