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By Annie Hauser, Senior Reporter

Pop star Lady Gaga (real name Stefani Germanotta) is supposedly on a mission to lose 10 pounds on a gluten-free diet, the Australian paper Sky News reported last week.

Sources told Sky News that the already thin "Born This Way" singer, 26, is hoping that eating wheat-free will give her the energy she needs to power through the remaining legs of her international tour.

More from Everyday Health:
Is A Gluten-Free Diet A Worthy Weight-Loss Option?
Eating A Gluten-Free Diet
Who Really Should Be On A Gluten-Free Diet?

"Gaga has decided to go on a major body blitz and cut out all gluten and wheat from her diet, which is very hard to do," Sky News' source reports. "She has given her people strict instruction to advise staff at venues and restaurants about her new diet because she is taking it very seriously."

Her diet mainly consists of fish, chicken and vegetables, the source reports, though she does allow herself one potato or serving of rice per week. Gaga also allegedly indulges on gluten-free cookies when her sweet tooth hits.

Gaga's diet has made headlines in the past, thanks to both her super-slim appearance in some music videos and her rather frank approach to her eating (and drinking) habits. The National Eating Disorders Association, among other groups, blasted the singer in April for tweeting, "Just killed back-to-back spin classes. Eating a salad dreaming of a cheeseburger. Pop singers don't eat. I was born this way," saying the message is pro-anorexia. The tweet was a surprise to her millions of fans who love her message of self-acceptance, and came shortly after she spoke out against eating disorders and what she calls "the dieting wars."

Eating Gluten Free For Weight Loss
Gaga is far from the only celeb to start a gluten-free diet to slim down though gluten-free eating has never been scientifically proven to enhance weight loss. Pop star Miley Cyrus made headlines earlier in the year for her weight loss, which she attributed to a regular Pilates practice and gluten-free living after discovering what she says is an allergy to both dairy and gluten.

Although there is little scientific evidence that a gluten allergy exists, celiac disease is a condition that prevents patients from being able to digest gluten. "Gluten sensitivity" is a medical condition that makes digesting gluten difficult, but no concrete evidence explains why some people appear to feel better after eliminating gluten from their diets, a study published in the Annals of Internal Medicine concluded earlier this year, and no test exists to determine who could benefit from eliminating gluten.

There has also been no research confirmation that gluten-free eating assists with weight loss, though naturally gluten-free foods, such as fruits and vegetables, nuts, legumes and lean protein, have all been repeatedly linked to weight loss and a lower risk of chronic disease.

Here are more celebrities with food allergies and sensitivities:

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  • Elisabeth Hasselbeck

    <strong>Profession: </strong>Co-host of "The View" <strong>Allergy/Sensitivity: </strong>Hasselbeck has Celiac disease, an autoimmune disorder in which the body has an extreme reaction to gluten.

  • Zooey Deschanel

    <strong>Profession: </strong>Actress and singer <strong>Allergy/Sensitivity: </strong>Deschanel has <a href="http://nymag.com/daily/entertainment/2011/09/zooey_deschanel_new_girl_inter.html" target="_hplink">sensitivities to dairy, eggs and wheat.</a>

  • Serena Williams

    <strong>Profession: </strong>Tennis champion <strong>Allergy/Sensitivity: </strong>Williams is rumored to be allergic to peanuts.

  • Susie Essman

    <strong>Profession: </strong>Comedian and co-star of "Curb Your Enthusiasm" <strong>Allergy/Sensitivity: </strong>Essman <a href="http://www.nytimes.com/2003/03/05/dining/at-lunch-with-susie-essman-eating-hollywood-style-with-thin-air-on-the-side.html?pagewanted=all&src=pm" target="_hplink">has Celiac disease</a>.

  • Sarah Vowell

    <strong>Profession: </strong>Historian and author <strong>Allergy/Sensitivity: </strong>Vowell <a href="http://www.imdb.com/name/nm1102970/bio" target="_hplink">has Celiac disease</a>.

  • Billy Bob Thornton

    <strong>Profession: </strong>Actor <strong>Allergy/Sensitivity: </strong>Thornton <a href="http://www.independent.co.uk/news/uk/home-news/180m-thats-what-britain-is-spending-on-free-from-foods--and-market-will-double-in-five-years-765592.html" target="_hplink">has an allergy</a> to shellfish and intolerance for wheat and dairy.

  • Kelis

    <strong>Profession: </strong>Singer <strong>Allergy/Sensitivity: </strong><a href="http://abcnews.go.com/Health/AllergiesNews/story?id=4776317&page=4" target="_hplink">Kelis is allergic</a> to peanuts.

  • Keith Olbermann

    <strong>Profession: </strong>Newscaster for CurrentTV <strong>Allergy/Sensitivity: </strong>Olbermann<a href="http://www.imdb.com/name/nm0646021/bio" target="_hplink"> has Celiac disease.</a>

  • Jennifer Esposito

    <strong>Profession: </strong>Actress <strong>Allergy/Sensitivity: </strong><a href="http://www.doctoroz.com/videos/oz-exclusive-jennifer-esposito" target="_hplink">Esposito has Celiac</a> disease.

  • Drew Brees

    <strong>Profession: </strong>Quarterback for the New Orleans Saints <strong>Allergy/Sensitivity: </strong><a href="http://sportsillustrated.cnn.com/vault/article/magazine/MAG1191808/index.htm" target="_hplink">Brees has Celiac</a> disease.

  • Chelsea Clinton

    <strong>Profession: </strong>NBC News correspondant, First Daughter emeritus <strong>Allergy/Sensitivity: </strong><a href="http://today.msnbc.msn.com/id/38474741/ns/today-food/t/chelsea-clinton-let-them-eat-gluten-free-cake/" target="_hplink">Clinton has Celiac</a> disease.

  • Ray Romano

    <strong>Profession: </strong>Comedian <strong>Allergy/Sensitivity: </strong><a href="http://www.peanutallergykid.com/2009/01/you-can-be-anything-you-want-to-be.html" target="_hplink">Romano is allergic</a> to peanuts.

  • Emmy Rossum

    <strong>Profession: </strong>Actress <strong>Allergy/Sensitivity: </strong><a href="http://www.shape.com/latest-news-trends/try-eating-passover-foods-week-%E2%80%93-even-if-youre-not-jewish" target="_hplink">Rossum has Celiac</a> disease.

  • Joshua Jackson

    <strong>Profession: </strong>Actor <strong>Allergy/Sensitivity: </strong><a href="http://www.dailymail.co.uk/tvshowbiz/article-2018006/Joshua-Jackson-hospitalised-suffering-allergic-reaction.html" target="_hplink">Jackson is allergic</a> to peanuts.

  • Halle Berry

    <strong>Profession: </strong>Actress <strong>Allergy/Sensitivity: </strong>Berry is reportedly allergic to shellfish.

  • Alex Kapranos

    <strong>Profession: </strong>Lead singer of Franz Ferdinand <strong>Allergy/Sensitivity: </strong><a href="http://www.last.fm/music/Alex+Kapranos" target="_hplink">Kapranos is allergic</a> to peanuts.

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