Princess Diana did it, Virgil Abloh, Chanel and Stella McCartney revived it and Kim Kardashian (and Kanye West) ran with it, all the way to the (controversial) bank.
We're talking about extreme athleisurewear of course - a.k.a cycling shorts, sports bodysuits, shapewear, leggings and peddle-pushers worn everywhere but the gym.
Whilst plenty of über-stylish stars, street stylers and social media mavens have successfully rocked the look (think Chloë Sevigny in Cannes, or Stephanie Broek on Instagram) it's taken us until now to fully come on board.
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And this is down to one woman: Celine Dion.
Dion, who has undergone something of a sartorial metamorphosis over the last couple of years (all thanks to stylist extraordinaire Law Roach), stepped out yesterday wearing an SS19 Chanel bodysuit and we have been shaken to our very core.
The 51 year-old singer combatted the French heatwave with this simple black bodysuit, and paired it with a pair of chic black sunglasses and stilettos.
Never one to shy away from glitz and glamour, the French-Canadian icon wore a Chanel logo belt with the elegant chic ensemble (no - we didn't think unitard could be elegant either, but here we are).
Feeling inspired? The bodycon bodysuit is an intimidating trend, for sure, but let Dion's joie de vivre energise you to take the leap.
Lets Get Physical: Shop Leggings, Cycling Shorts, Shapewear And Bodysuits
Fendi FF-logo stripe cycling shorts
Fendi, £250
Daisy Murray is the Digital Fashion Editor at ELLE UK, spotlighting emerging designers, sustainable shopping, and celebrity style. Since joining in 2016 as an editorial intern, Daisy has run the gamut of fashion journalism - interviewing Molly Goddard backstage at London Fashion Week, investigating the power of androgynous dressing and celebrating the joys of vintage shopping.
