If there's one thing we know here at ELLE, post-festival hair is one tricky look to master.

After a few hours surviving without a mirror and a pair of straighteners at Glastonbury, Hideout and Benicassim, it's not uncommon to convince yourself your mud-matted hair actually looks like Blake Lively's beach waves and your boxer braids an uncanny resemblance to that of Victoria's Secret model, Josephine Skriver.

The fact you have twigs, last night's vodka and coke and a fly-away clip dangling from the nape of your neck is just 'by the by'.

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Someone who knows a thing or two about post-festival hair care is Selena Gomez, who just unveiled a new hair do on Instagram.

Yesterday, the 24-year-old songstress posted a photo to Instagram of her shorter, untoussled crop, wearing what appears to be a white dressing gown and barely any make-up.

The post has already received over three million likes from her fans, including her boyfriend, Canadian singer The Weeknd.

However, in a world where celebrities aren't afraid to mix up their hairstyles with the help of a wig once in a while (see Kylie Jenner), Selena's bold new look has got some speculating she might actually be wearing a wig, especially seeing as this is the shortest style the 13 Reasons Why executive producer has sported yet.

Either way, we're loving Selena's edgier new do.