The rich and famous are always coming up with new - and sometimes bizarre - ways to better their lifestyles, from their looks and even their spirituality, to (you guessed it) their diets. And at the moment veganism couldn't be hotter - the choice of going meat and dairy free is celebrated in January, or as everyone is calling it: Veganuary.
Thinking of going vegan? Here's what you need to know
We take a look at the celebs who have overhauled their jet-setting lifestyles to make this most eco-friendly of choices…