Cupping is an ancient technique that involves placing cups containing reduced air pressure (suction) on the skin to ease pain and remove toxins.
Gwyneth Paltrow was spotted with the tell-tale circular marks (above). While there can be slight bruising after undergoing the acupuncture treatment, it does disappear after a few days.
The actress was voted as the most admired celebrity for her "health-styles", with Cheryl Cole, Madonna, Holly Willoughby and Kelly Brook leading the way (respectively).