This police in Dover County in Delaware was really shaking it all off on Taylor Swift's No 1 hit single.
A dash-cam filmed policeman Jeff Davies, 19-year veteran miming along, shaking his head and even breaking with the rules to move his hands from between the 10 and 2 o'clock position.
Jeff is a 48-year-old father of four know's Swift's hit tune so well because of his 10-year-old daughter.
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