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EMMA Watson has totally stopped everyone in their tracks this week after she debuted a brand new hairstyle.

Proving she's a total short hair ambassador, the Harry Potter actress has opted to chop off her long locks once again.

Emma Watson has been sporting much longer locks lately

Attending a movie screening in London for The True Cost, the Hermione Granger star unveiled a shiny and bouncy new bob.

And everyone couldn't stop talking about it.

Capturing a few moments from her night out on Instagram, her 4.9million followers couldn't hide how impressed they were with her new look.

One wrote: "I love this photo you are my idol your new hair is wonderful."

The Harry Potter actress' fan could not get enough of her new look on Instagram

Another added: "Beautiful! Absolutely loving your hair!"

Emma – who recently grew her mousy blonde locks to below her shoulders – is no stranger to short hair.

Following her years on set of Hogwarts, the 25 year old decided to mix things up and go for the pixie crop.

We couldn't heart it more.

The 25 year old made her hair debut at a screening in London