Gretna Police Department joins in on the lip sync battle

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GRETNA--- Another day, another lip sync challenge: Gretna Police Department has joined in, and they're calling on Jefferson Parish Sheriff's Office and Westwego Police Department to be next.

The law enforcement agency posted the video yesterday on Facebook. Their rendition of "Keep On Smiling" will surely make you, well, smile.

It's only been live since Thursday night, and already it's been shared thousands of times.

NOPD recently joined in on the fun with Beyonce's "Run the World." Several other local agencies, including Plaquemines Parish Sheriff's Office and the Slidell Police Department.

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