It is unclear if the photos were stolen from Long or Seyfried's device.
Far from just one or two bedroom dwellers, social media is now rife with celebs who are embracing the duvet.
Dozens of stars' photos were posted online as part of the 2014 phishing exercise, including shots of Rihanna, Kate Upton and Kirsten Dunst.
In a statement released in response, Emma's team said: 'Photos from a clothes fitting Emma had with a stylist a couple of years ago have been stolen.
I think you should post what ever you want.
None of us are made to look thinner and I just loved the idea.