West End Girl, Festival Edition
Lily Allen took the Mighty Hoopla stage in a look that made the crowd forget about the weather entirely. Dressed in her now-signature lingerie-forward style – the kind of boudoir-meets-streetwear aesthetic she has been refining for years – Allen delivered a performance that was as much a fashion moment as it was a musical one. The West End Girl energy was dialed up to full volume.
Then came the surprise. Jade Thirlwall appeared alongside Allen, sending the crowd into a full spiral. Two of British pop’s most style-conscious women sharing a stage at one of London’s most beloved festival institutions – it was the kind of unannounced collaboration that makes a festival lineup feel genuinely electric rather than just well-managed.

The Lingerie Aesthetic Allen Has Made Her Own
Allen’s relationship with lingerie-as-outerwear is not a phase. Over the past several years, she has built a visual identity around the deliberate exposure of underpinnings – slips worn as dresses, corsetry as outerwear, lace where a blazer might otherwise sit. At Mighty Hoopla, she leaned fully into that language, arriving on stage in a look that read as both intimate and performative, which is exactly the tension that makes the aesthetic work.
The styling sits within a wider British pop tradition of female artists using performance dress to communicate something beyond the music itself – a personal politics worn on the body. Allen has always been blunt in her art and her public persona, and her wardrobe choices follow the same logic. Nothing about her festival look reads as accidental. The slip dress, the sheer panels, the deliberate reveal of what most people would consider underlayers – it’s a consistent visual argument, not a one-off styling decision.

What makes Allen’s approach distinct from the broader lingerie-dressing trend that has moved through fashion weeks and celebrity red carpets over the last few seasons is the context she puts it in. This is a festival stage, not a Met Gala step, not a controlled editorial environment. Festival dressing tends toward the eclectic and the disposable. Allen plants her look in something more considered, which is why it photographs the way it does – with intention behind each frame.
For anyone tracking how British women in the public eye have navigated the line between self-expression and spectacle, Allen’s styling choices offer a consistent case study. She has never particularly softened her image for broader palatability, and her Mighty Hoopla appearance confirms that hasn’t changed. The lingerie-led wardrobe is not a provocation at this point – it’s simply who she is on stage.
Thirlwall’s Appearance Steals the Second Act
Jade Thirlwall’s surprise cameo at Mighty Hoopla landed hard with the festival crowd. Since stepping out fully as a solo artist following Little Mix’s hiatus, Thirlwall has been building her own aesthetic vocabulary – one that shares some of Allen’s taste for sharp, unapologetic dressing while carving out its own territory.
The two women sharing the stage at Mighty Hoopla felt genuinely unforced. The festival, known for its LGBTQ+ crowd and its celebration of pop music with a camp, irreverent sensibility, is natural territory for both artists. Allen has performed there before. Thirlwall’s presence signals her comfort in spaces that reward personality as much as polish. The surprise guest format also gave the moment a rawness that a headlining slot wouldn’t have – it happened, people screamed, and it was over before anyone fully processed it.

What the Outfit Signals Beyond the Stage
Lily Allen performing at Mighty Hoopla in lingerie-forward styling is, in the context of her career, entirely consistent. But in the context of 2025 fashion – where the boundaries between innerwear and outerwear have been dissolving on runways from Paris to Milan for several seasons – it also reads as a broader cultural moment arriving at the festival circuit.
The crossover of high fashion’s lingerie obsession into pop performance dress has been building for years, but it takes artists who commit to the aesthetic outside controlled environments to make it feel real. Allen on a festival stage, rather than a studio shoot, does exactly that. British artists have consistently driven the conversation around personal style as performance, and Allen remains one of the most direct examples of that tradition in action.
Whether Thirlwall’s appearance signals something more formal – a collaboration, a joint project, a recurring festival partnership – remains unclear. What’s already on record is that two of British pop’s sharpest dressers shared a stage at Mighty Hoopla, one in a lingerie-led look that the crowd won’t stop talking about, and the other arriving unannounced in what may be the most effective styling trick available: showing up when nobody expects you.







