#ThighReading: Celebrating cellulite and stretch marks
3 August 2015 Last updated at 14:30 BST
Thousands of women are posting photos of their thighs on social media and using the hashtag #ThighReading.
The images show stretch marks, cellulite, scars and bruises.
The trend is part of the body positivity movement online and is seen as a celebration of women's "flaws" and "imperfections".
BBC Trending speaks to some of the women sharing their thigh readings.
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