At The Devil Wears Prada musical premiere in London – held in support of the Elton John Aids Foundation, celebrities were seen dressing to impress. .
Fashion designers Donatella Versace, Betsey Johnson and Zandra Rhodes made an appearance.
Even editor-in-chief of Vogue, Anna Wintour, turned up for the occasion (the franchise's villain, Miranda Priestly, is rumoured to be based on her).
Actors like Vanessa Williams, Lily Collins, Elizabeth Hurley, Luke Evans and Alvaro Morte showed that showbiz is also being seen in well-loved designer labels.
Collins turned heads in a sparkling gown by Vivienne Westwood, while Hurley posed for photographers in a butterfly-inspired dress by Temperley.
A scene in 2006's The Devil Wears Prada film, where fictional fashion editor Priestly (played by Meryl Streep) delivers her monologue about the illusion of fashion choices, is as iconic as it gets.
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"It's sort of comical how you think that you've made a choice that exempts you from the fashion industry," goes a line in her speech.
The Devil Wears Prada musical is a stage adaptation of the film, which in turn is based on the book of the same name.
It tells the story of an aspiring journalist who gets a job at a fashion magazine, but finds herself at the mercy of her demanding editor.
The silver screen production starred Streep and Anne Hathaway. In the current musical, Williams steps into the stilettos of Priestly, with the score composed by legendary singer-songwriter Elton John.
In terms of its pop culture relevance, The Devil Wears Prada has long been considered as one of the ultimate fashion films. A sequel is currently in the works, where the main cast of original film will reprise their roles.