Hailey Bieber sets the tone for the Pilates Princess aesthetic with a Form crop top that reimagines athleisure and dominates Instagram.
Once again, Hailey Bieber is shaping trends straight from the comfort of her bedroom. On 29 July, the model and entrepreneur shared a mirror selfie via her Instagram Story that perfectly captured the essence of a rising aesthetic: the Pilates Princess look. Wearing a wrap-style oat-coloured top with long sleeves and a cross-over neckline by Form (priced at $78), Hailey turned this piece into summer 2025’s newest obsession.
Taking cues from balletcore, the top ties around the waist, leaving the midriff fully exposed. While the look is traditionally associated with Pilates studios, it’s gaining momentum in more casual and even leisure settings — as seen on Hailey both in bed and by the sea. In fact, she had already worn it in June with a strappy black bikini during a beach getaway.
In the same Story, she also sported low-rise trousers and, a few hours later, a pair of textured white trainers from Skylrk — the new footwear label launched by her husband, Justin Bieber. A subtle but savvy nod that proves style and branding go hand in hand for the couple.
Amid a wave of minimalist tops, wrap silhouettes and sporty cuts, Hailey is making it clear: the Pilates girlie uniform isn’t just for working out — it’s a full-fledged summer fashion statement.
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