Like Andre 3000 and Common before them, Jay-Z and Beyonce have gone vegan. That’s right, no more pound cake for Jay – the couple are going to embark on a 22 Days challenge to go vegan, or, as Jay put it on his Life and Times blog, “plant-based”. Guess he’s not cutting out the weed then. Here’s Jay’s full post:On December 3rd, one day before my 44th birthday I will embark on a 22 Days challenge to go completely vegan, or as I prefer to call it, plant-based!!