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As fans anticipate Line of Duty's grand series six finale on Sunday, some viewers have noticed that acting Detective Superintendent Joanne Davidson (played by Scottish actress Kelly Macdonald) has a very familiar voice.
For those of you who didn't know, we've been in the company of a Disney princess over the last few weeks because Kelly was the voice of Merida in Disney's 2012 blockbuster Brave.
Merida and Davidson couldn't be more different, and viewers of the hit BBC drama have said that both Brave and Line of Duty will never be the same for them again.
One woman tweeted: "why have i only just realised that kelly macdonald voices merida in brave [sic]."
Finding out there was a link between the Disney tale and Line Of Duty has been a struggle for some viewers. One person revealed: "really struggling to watch season 6 of
@Line_of_duty without hearing Merida from Brave every time Kelly Macdonald speaks."
While another fan simply said: "KELLY MACDONALD IS BRAVE!? WHAT."
Brave marked a lot of 'firsts' for Disney and Pixar upon release. It was the first Pixar film to have a female protagonist and Merida is the first Disney princess to not have a love interest, with Frozen's Elsa and Moana following in her footsteps.
Set in the Scottish Highlands, Brave tells the story of Princess Merida of DunBroch who goes against an age-old custom, causing chaos in the kingdom by expressing the desire not to get engaged. When Queen Elinor, her mother, becomes cursed by turning into a bear, Merida must look within herself and find a way to save the kingdom.
The film was directed by Mark Andrews and Brenda Chapman, the latter became Pixar's first female director of a feature-length film.
Pixar redeveloped their animation system to create the stunning visuals in the film, including Merida's fiery curly red hair.
At the time of release, Macdonald explained to The Hollywood Reporter what she loves about Merida as well as her experience working on the film. In addition to the princess' "energy and feistiness", she said: "I also liked that she gets it wrong. She makes her own mistakes and then she doesn't need a prince charming to come and makes things better.
"She makes her own trouble, and then she gets herself out of that trouble, and I think that's a very good message."
You can see Davidson's fate unfold during the finale episode of Line of Duty on Sunday at 9pm on BBC One.
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