Fans have the chance to win a pair of tickets annually for 30 years if they adopt a vegan diet for a month.
Beyonce and Jay-Z have launched a contest to give a lucky winner a lifetime of free tickets to their concerts – but there’s a catch.
In exchange, the superstar duo
The Lemonade singer announced the competition to her 123 million followers on Instagram, which will see one fan chosen at random to win a pair of tickets annually for 30 years.
It is estimated that the prize has a retail value of $12,000 (£9,160).
Beyonce told her followers that the contest is to support the Greenprint Project, which promotes the adoption of a full or partially vegan diet.
The organisation argues that switching to plant-based meals can have a positive impact on the environment – reducing carbon emissions, saving water, and conserving resources.
It was founded by Marcos Borges – Beyonce’s personal trainer.