At the Academy Awards this year, the most surprising accessory is a blue ribbon.

We first spotted this unique red carpet addition on Oscar nominee Ruth Negga, who made sure the ribbon made a statement against the bright red of her Valentino dress.

And throughout the evening, we kept seeing the blue ribbon make an appearance on stars like Karlie Kloss, Busy Philipps and Casey Affleck.

Klarie Kloss 73f2d35b-90d5-4a0a-a44f-39ec34ff95d9

Worn to build awareness and show support for the American Civil Liberties Union, the ribbon got everyone talking.

Asked about the ribbon by People, Negga gushed about the organisation, lauding the ACLU for fighting for a "basic love of human rights" — something that, regardless of what films and actors win or lose tonight, is one thing that everyone watching is rooting for.

Her stylist also posted a proud picture of the ribbon, saying: "The accessory I'm most proud of #ACLU #MegaNegga The @aclu is the reason the Loving's were allowed to be married. The represent those who need it the most. This is something we ALL should believe in, regardless of political party."

See all the outfits from the 2017 Oscars red carpet right here

Jess Edwards Digital Editor Jess Edwards is the Editor of Cosmopolitan.com/UK, overseeing all things digital.

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