Unconventional celebrity health routines

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Does "90210" star AnnaLynne McCord also engage in cupping? The actress was spotted on set in August 2012 sporting two circular bruises on her back that look indicative of the acupuncture treatment. But cupping isn't the only alternative treatment made popular by the A-list ...

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The Asian practice of "cupping" is a form of acupuncture that is intended to stimulate circulation and ease stress by placing heated glass cups on the skin to boost circulation and ease stress. It appears Aniston tried to cover up the marks with some foundation but once she stepped into the light of the cameras, the circular marks were painfully visible.

@katyperry via Twitter, Jennifer Graylock/Getty Images

Katy Perry is serious about taking her vitamins. The pop star shared a photo of her enormous vitamin collection on Twitter, and apparently it takes three large pills a day to acquire Perry's healthy glow. Hiding behind zip lock bags of vitamins labeled "Upon Rising," "Breakfast" and "Dinner," the 28-year-old singer wrote, "I'm all about that supplement & vitamin LYFE!"

madonna via Instagram, Ethan Miller/Getty Images

It looks like Madonna is in the need for some rest and relaxation! The singer shared this photo to her Instagram page in a middle of a cupping session, a procedure meant to remove toxins and help energy move around the body. "Take Me with all of my beautiful scars i love you the way that you are," she captioned the photo possibly referring to the marks left behind afterward on Dec. 29, 2015.

Robert A. Sabo for New York Daily News, Jim Spellman/WireImage

Gwyneth Paltrow put cupping on the map back in 2004 when she stepped out sporting visible spots at a special screening of "Anchorman". The actress is well known for her green and alternative lifestyle Ö and for being a health nut.

@Doutzen via Instagram, Jamie McCarthy/Getty Images

Doutzen Kroes maintains her slim figure with a diet of Acai, organic powders and nuts and smoothies. The Angel shared this snapshot on Twitter of her breakfast one morning. It's easy to see as she models for Victoria's Secret that eating organic does a body good!

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Jennifer Aniston has us seeing spots! The actress appeared at the red carpet premiere of "Call Me Crazy" showing off her gorgeous shoulders ... as well as large circles on her back that looked to be the remains of an intense "cupping" treatment. Although it looks like Aniston tried to cover up with makeup, foundation only seemed to make the problem worse ...

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No one ever questioned whether Olympic swimming legend Michael Phelps could lead his U.S. team to victory, but there were PLENTY of questions about the unusual purple spots on his back. During the American men's 4 x 100-meter relay victory, Phelps revealed circles as a result of cupping, a therapy technique that athletes use to help their muscles recover and perform at their best.