It seems to me that the level of skin revealed by Piper in one year is, proportionally, greater than what Sophie has shown in five. This makes sense, as Sophie is more beautiful and has a much better body. IDK, we'll see in a couple of years.
An interesting detail: both of them are incredibly serious in their photo shoots—as if they’ve been carrying some long-standing trauma. In 95% of her photos, Sophie looks serious. Or sad. Not even a smile escapes her.