"Hailee has always been a long-haired girl and this was a really big chop and change," hairstylist Mara Roszak told 'Vogue' ...

To put it simply, the undercut pixie is a traditional pixie cut but with a bit of an edge. The sides or back (or sometimes ...

Now, as much as we loved the grungy look, it was Emma's very clever hair hack that had us taking note. Emma reveals this – and exactly how she styles her short pixie – towards the end of the video (13 ...