Though we've seen everyone try the hair trend - Kim Kardashian, Rita Ora, Jennifer Lawrence, Rosie Huntington-Whiteley - nobody's made it look quite so wearable as Emma on the Noah red carpet last night.
So what's the secret to rocking this is real life? A less severe take on the look, just like Emma.
Slicked back still, of course, but less 'wet look' by using products only on the roots and front section, rather than combing it all the way through.
What do you think? Tweet us if you've tried this hairstyle in real life @handbagcom
HOW TO DO THE SLICKED BACK HAIR TREND
EMMA WATSON SAID WHAT ABOUT BEYONCE?
MORE BEAUTY NEWS, TIPS AND TRENDS