Actor Brad Pitt has never been shy about hiding his hatred of red meat and makes sure his children also avoid animal products. AFP
Outspoken actor Ricky Gervais, seen here with Kermit the Frog, is a vegan and often speaks out against animal cruelty. Photo: Disney Enterprises Inc / AP
Beyonce took a 22-day vegan challenge and then decided to make it a permanent lifestyle choice. AFP
Singer, actress and animal activist Miley Cyrus promotes the vegan lifestyle and her love of animals on social media. AFP
Actor Casey Affleck does not eat animal products because of the industry's cruelty. AFP
Actress Olivia Wilde said that her plant-based lifestyle has benefitted her overall well-being. AP
Singer Billie Eilish posted on Tumblr: 'I went vegan like four years ago. There were a lot of reasons. I love animals and I just think there's no point in creating something out of an animal when the animal is already there.' Getty Images
Eilish finished her post with: Leave animals alone. Photo: WaterAid
Singer Ellie Goulding made the switch to veganism after learning more about how meat is processed. AP
Actor Woody Harrelson is one of Hollywood's most outspoken and well-known vegans. Many credit him as an inspiration for changing their own diets. Reuters
Liam Hemsworth said that fellow thespian Woody Harrelson inspired him to stop eating animal products. AFP
Actress Rooney Mara said that animal cruelty videos led her to veganism in 2011. Getty Images
Actor Joaquin Phoenix is so passionate about his veganism that he has broached the subject of animal cruelty on stage while accepting various awards. Reuters
Actress Natalie Portman switched to a vegan diet after reading the book Eating Animals. AFP
Actress Jessica Chastain said that 'listening to her body' made her switch to a plant-based diet and has led a vegan lifestyle for more than 10 years. AFP
British actor Benedict Cumberbatch said he credits his vegan diet for keeping him fit. Peta named him 2018's Most Beautiful Vegan. AFP
Madonna has maintained a macrobiotic diet for many years. Reuters
Singer Moby became a vegan in 1987 and wrote that 'contributing to animal suffering is something that I don’t want to be a part of'. AFP
Former president Bill Clinton said that he wanted to be around for his grandkids and becoming a vegan maximised his potential to stay healthy. AP
Serena Williams was diagnosed with an autoimmune disease and found that a plant-based diet helped her maintain her performance - but she takes a break when not training and competing. AP
Singer Ariana Grande said that she likes animals more than people and therefore does not eat them. AP
Ellen Pompeo of Grey's Anatomy took the advice of a real doctor and switched to a plant-based diet in 2018. AP
British actor and comedian Russell Brand, a long-time vegetarian, switched to full vegan in 2019. Getty Images/ AFP
Long-time animal activist Pamela Anderson posted on her website: 'Veganism is about saving animals, saving ourselves, saving our societies and saving our planet!' Getty Images / AFP
Game of Thrones actress Nathalie Emmanuel said that after going vegan, people kept commenting on her improved appearance so she decided to keep going. Getty Images
Actress Alicia Silverstone said that veganism helped both her health and her appearance. AP
Musician Travis Barker became a vegan after surviving a plane crash. Reuters
Singer Stevie Wonder said of becoming a vegan: 'We can't just talk about it, we have to be about it.' Andrew Henderson / The National
Actress Taraji P Henson was told by a doctor that if her diet didn't change, she would get very ill. So she switched to a plant-based diet. AP
Actor Elliot Page once tweeted: 'Why are vegans made fun of while the inhumane factory farming process regards animals and the natural world merely as commodities to be exploited for profit?' AP
Actress Emily Deschanel credits a visit to an animal farm sanctuary for inspiring her plant-based lifestyle. AP
Actress Kate Mara decided to go vegan after reading a book called The Beauty Detox Solution by Kimberly Snyder. Getty Images
American football player Colin Kaepernick is probably best known for creating social change. He revealed his plant-based diet in an Instagram workout photo with the caption: 'Not bad for vegan.' Getty Images