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Apparently, everyone’s in their short hair era.

bob haircut hailey bieber boblaura harrier

Instagram/@hairinel,@lauraharrier

As for what differentiates an undone bob from its predecessors?

Undone hair has been a huge inspiration lately, Ellis says of the undone movement.

In other words, it’s effortless.

bob haircut hailey bieber boblaura harrier

Instagram/@hairinel,@lauraharrier

This look is trending because it is taking a style and modernizing it, Korab notes.

Just be sure your stylist understands exactly the look you want in advance.

There are many tips and tricks for styling this look to suit different face shapes and hair textures.

bob haircut kourtney kardashian sabrina elba

Instagram/@kourtneykardash,@kilprity

Upkeep is super low-maintenance too, adds Ellis.

It all comes down to your personal preference on lengthI find that this cut grows out nicely.

Ready to start your undone journey?

bob haircut jenna ortega emma chamberlain

Instagram/@emmachamberlain, @davestanwell

Shop the essentials below.

bob haircut claire foy aubrey plaza

Instagram/@gregoryrussellhair,@claytonhawkins

Pureology Style + Protect Beach Waves Sugar Spray

FEKKAI Full Blown Volume Dry Texturizer Spray

shu uemura Awa Volume Volumizing Mousse

R+Co BLEU Lifestyler Volume & Texture Spray