Naked waists are registering on every scale of the celebrity style barometer.
The '90s revival trend that's been seeping from the catwalks since 2011 has been embraced like no other this past month...
From Lianne La Havas and Rita Ora...
Lianne La Havas pairs her long-sleeve stripey crop top with a long cut-out skirt and platforms, while Rita Ora has a high-fashion look in a gradient houndstooth print suit and neon long-sleeve crop
...To Miley Cyrus and Cat Deeley
Miley Cyrus and Cat Deeley's stripey pleated skirts have a fashiony edge with a bare midriff
Day-glo, jumpsuits, wedges, bleached denim, we can handle - or ignore - but the Clueless era renaissance is making abdomens the focal point of an outfit and we're a tad unnerved.
Christina Ricci, Jaime King and Brooklyn Decker give their stomachs an elegant airing during the fashion weeks, pairing designer crop tops with modest skirts and pointy heels
We're comfortable with midriff-baring outfits being the domain of Rihanna or Nicole Scherzinger. Not with them becoming a viable wardrobe option for us non-celebrities, who don't have a stage routine.
Thankfully, the new midriff isn't sandwiched between a cut-off t-shirt and Daisy Dukes, a la the MTV generation...
Singers Jessie Ware, Kimberley Walsh and The Saturdays' Mollie King tap into the tummy trend, above
But even paired with over-the-knee skirts, smart trousers or long sleeves, we're not convinced a navel-highlighting outfit will cut it during office hours.
High School Musical stars Ashley Tisdale and Vanessa Hudgens opt for mature red carpet outfits - with a hint of midriff last month
Designer Madeleine Vionnet is the woman to credit for first bringing the bare stomach into fashion in 1932, with an evening gown featuring strategically cut waist openings.
A navel-flashing outfit on the Chanel runway in 1993, above left and Dolce & Gabbana's SS12 Resort collection, right
And then in the early '90s, thanks to the likes of Calvin Klein and Kate Moss, crop tops and the naked waist became commonplace.