Beyonce offers fans lifetime supply of concert tickets to see her and Jay-Z if they go vegan… and the Bey Hive are ready to go green

She sung that girls Run The World in 2011.

And now Beyonce is trying to save the world by encouraging her millions of fans to switch to a plant-based diet.

The 37-year-old singer took to Instagram early Friday to post about contest in which going vegan can result in winning a lifetime supply of concert tickets to see her and/or husband Jay-Z.

Who Run The World? Beyonce is trying to save the world by encouraging her millions of fans to switch to a plant-based diet

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