"We want to challenge you."Beyonce and Jay-Z liveBeyonce and Jay-Z have launched a competition to give one winner a lifetime of free tickets – but there’s one very important condition. The hugely influential power couple are urging fans to adopt a vegan diet for one month, and they could win one pair of tickets annually for the next 30 years in return. […]The post Beyonce and Jay-Z urge fans to go vegan to win a lifetime of free tickets appeared first on NME.