Australian fitness model Tammy Hembrow has left her scores of fans scratching their heads with a racy bikini snap.
The 23-year-old shared a photo of herself posing in a pink two-piece on the edge of a pool — and it has sparked a fierce debate online.
But can you see why people are so confused?
The mum-of-two's nine million Instagram fans are baffled by the pool tiles as they appear to magically bend behind her.