Thighbrows are the new celebrity fad.
Rihanna
Stars including Beyonce, Kylie Jenner and Rihanna are leading the trend, which is a line that separates the thigh from the bum.
But a women's studies professor has slammed the new craze because girls have to wear a ''high cut bathing suit'' to show off their thighbrows.
Courtney Marshall said: ''I don't see how this can be called a body-positive trend when it requires a high cut bathing suit.
''It also seems to require a flat belly, so that line about it being achievable for anyone seems fishy.''
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