Shoes for Zumba?

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I have a great pair of shoes that is for running. However, I am wanting to get back into Zumba. I am wondering if any of you have bought special shoes that are made specifically for "dancing"? If so, do you think it is worth having? Or do you think it is just as good to have a regular pair of snickers?

Any advice would be great before I invest in new shoes.

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