Alexa Chung in Erdem at the serpentine summer aprty

Alexa Chung in an Erdem LBD

Alexa Chung may have just spent several days knee-deep in mud, living (and partying) in a field at Glastonbury, but that didn't stop her from making a flawless appearance at the Serpentine summer bash in London last night.

The 30-year-old swapped her festival wear for an elegant LBD by Erdem (who was also Alexa's date for the evening), and her Hunters for a pair of black pointy flats – proving that heels aren't a must for a black tie event.

Erdem and Alexa

Keeping her hair loose, Alexa only needed a slick of bright red lipstick and a baby blue manicure to complete her party look, proving she really is the queen of effortless glamour.

Nice work, Alexa…

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