Who is this award-winning expatriate actress and what are those marks on her back? Difficulty level for identifying the actress: 4; for knowing what caused the marks: 8. Reveal after the jump.

It’s Gwyneth Paltrow at a New York premiere in 2004, showing the marks left on her back after receiving cupping treatments, an ancient practice in which a glass is heated and placed on the skin, causing a vacuum, believed to stimulate the movement of blood and energy, if you can believe it.