Destiny's Child reunite

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The #mannequinchallenge has taken over the internet. What is it? Everyone in the space poses without any movement, like a freeze-frame, and are perceived to be mannequins. 

Everyone has taken the challenge but it's the Destiny's Child trio that has everyone talking when Kelly Rowland posted the following: 

Now everyone is contemplating whether this is their subtle way of saying that they may be reuniting. It there a possible Destiny's Child album or single in our future?