Singer Beyonce (L) and rapper Jay-Z sit courtside as they attend Game 7 of the best-of-seven first round playoffs between the Los Angeles Clippers and the Utah Jazz in Los Angeles on April 30, 2017. The musical couple want their fans to become vegan. The couple co-wrote the introduction for Beyonce's trainer's new book "The Greenprint: Plant-Based Diet, Best Body, Better World." They {link:wrote: "https://people.com/health/jay-z-beyonce-write-introduction-plant-based-lifestyle-book/"}, "We used to think of health as a diet -- some worked for us, some didn’t. Once we looked at health as the truth, instead of a diet, it became a mission for us to share that truth and lifestyle with as many people as possible.” File Photo by Jim Ruymen/UPI
Singer and actress Miley Cyrus (L) and now husband, actor Liam Hemsworth, arrive for the Vanity Fair Oscar Party in Beverly Hills, Calif., on March 4, 2018. Cyrus {link:decided: "https://www.youtube.com/watch?v=RIneZ-s14_Q"} to go vegan because of her pets. Hemsworth {link:switched: "https://www.mensjournal.com/health-fitness/liam-hemsworth-force-nature/"} for his health and because of animal mistreatment. Both have been {link:named: "https://www.bravotv.com/the-feast/vegan-celebrities-miley-cyrus-liam-hemsworth-matching-wedding-gifts-from-PETA"} PETA's Sexiest Vegetarian Celebrity in the past and were gifted by the organization with matching bathrobes embroidered with "Mr. Vegan" and "Mrs. Vegan" in honor of their wedding in December. File Photo by Christine Chew/UPI
Director, actor Kevin Smith of "Clerks" attends the premiere of "Rogue One: A Star Wars Story'" in Los Angeles on December 10, 2016. Smith's daughter Harley Quinn Smith helped him switch to {link:veganism: "https://www.upi.com/Kevin-Smith-celebrates-51-pound-weight-loss/3341535374214/"} after he suffered a heart attack in February of 2018. The filmmaker lost over 50 pounds by going vegan and following Weight Watchers. File Photo by Jim Ruymen/UPI
Singer Ariana Grande arrives on the red carpet at the Billboard Women In Music 2018 on December 6, 2018 in New York City. Grande {link:announced: "https://twitter.com/ArianaGrande/status/397803765279260672"} she was going vegan on Twitter in 2013. File Photo by John Angelillo/UPI
Tennis star Venus Williams of the USA reacts after defeating Svetlana Kuznetsova of Russia in their first round match at the 2018 US Open Tennis Championships in New York City on August 27, 2018. Williams {link:switched: "https://www.health.com/nutrition/venus-williams-raw-vegan-diet"} to a raw vegan diet after she was diagnosed with an autoimmune disease called Sjögren's syndrome in 2011. Along with treatment, the diet helped her recover and get back on the court. File Photo by Monika Graff/UPI
Actress Ellen Pompeo of "Grey's Anatomy" attends the Women In Film 2018 Crystal + Lucy Awards in Beverly Hills, Calif., on June 13, 2018. Pompeo {link:switched: "https://people.com/health/ellen-pompeo-breast-cancer-checkup-vegan-diet/"} to veganism, along with her husband and three kids, after talking with her doctor about how the diet could help prevent breast cancer. File Photo by Chris Chew/UPI
Actor Zac Efron attends the 75th annual Golden Globe Awards in Beverly Hills, Calif., on January 7, 2018. Efron started a vegan diet in March 2018. He {link:said: "https://www.teenvogue.com/story/zac-efron-shares-his-grooming-routine-and-life-advice"} the switch "completely changed" the way his body works, adding, "It's been brilliant. It’s been great for my exercise, and great for my routine." File Photo by Jim Ruymen/UPI
Former President Bill Clinton discusses the influence of evangelist Billy Graham after paying respects to the Graham in Charlotte, N.C. on February 27, 2018. Clinton {link:adopted: "http://www.cnn.com/2011/HEALTH/08/18/bill.clinton.diet.vegan/index.html"} a vegan diet after two heart surgeries and an intervention from his doctor. File Photo by Nell Redmond/UPI
British actor Benedict Cumberbatch arrives for the CinemaCon 2018 Warner Bros. studio presentation in Las Vegas on April 24, 2018. Cumberbatch {link:says: "https://www.peta.org/features/peta-crowns-most-beautiful-vegan-celebrities-2018/"} a vegan diet helped him get in shape for his role in "Avengers: Infinity War." File Photo by James Atoa/UPI
Cast member Woody Harrelson attends the premiere of "Solo: A Star Wars Story" in Los Angeles on May 10, 2018. Harrelson {link:produced: "https://vegnews.com/2018/8/woody-harrelson-is-producing-vegan-docu-series-wicked-healthy-world"} "Wicked Healthy World" following two vegan chefs as they explore places and people trying to build a sustainable food system. He authored the forward to the plant-based book "The Wicked Healthy Cookbook." File Photo by Jim Ruymen/UPI
Actress Jessica Chastain of "Molly's Game" appears backstage during the 75th annual Golden Globe Awards in Beverly Hills, Calif., on January 7, 2018. Chastain has been {link:vegan: "https://www.wmagazine.com/story/jessica-chastain-women-hollywood"} for 13 years and switched to lower her cholesterol. File Photo by Jim Ruymen/UPI
Actress Sadie Sink of "Stranger Things" attends the 70th annual Primetime Emmy Awards in Los Angeles on September 17, 2018. Sink says Woody Harrelson and his family {link:inspired: "http://www.justjared.com/2017/10/26/meet-stranger-things-2s-sadie-sink-with-these-10-fun-facts-exclusive/"} her switch to veganism. File Photo by Christine Chew/UPI
Actress Mayim Bialik of "The Big Bang Theory" arrives for the 23rd annual SAG Awards in Los Angeles on January 29, 2017. Bialik {link:authored: "https://www.amazon.com/Mayims-Vegan-Table-Great-Tasting-Healthy/dp/0738217042?tag=goodhousekeeping_auto-append-20&ascsubtag=%5Bartid%7C10055.g.5186%5Bsrc%7C%5Bch%7C%5Blt%7C"} a plant-based cookbook called "Mayim's Vegan Table." File Photo by Jim Ruymen/UPI
Record producer Russell Simmons speaks at the I Am A Muslim Too rally against the immigration policies of President Donald Trump in Times Square in New York City on February 19, 2017. Simmons {link:authored: "https://www.amazon.com/The-Happy-Vegan-Healthy-Successful/dp/1592409326?tag=thehuffingtop-20"} a guide to veganism titled "The Happy Vegan: A Guide to Living a Long, Healthy, and Successful Life." File Photo by John Angelillo/UPI
Director Ava DuVernay arrives for the Vanity Fair Oscar Party in Beverly Hills, Calif., on March 4, 2018. DuVernay was {link:crowned: "https://www.peta.org/features/peta-crowns-most-beautiful-vegan-celebrities-2018/"} by PETA as one of the most beautiful vegan celebrities of 2018, alongside Cumberbatch. File Photo by Christine Chew/UPI
Producer and narrator Natalie Portman arrives on the red carpet at the "Eating Animals" New York Screening on June 14, 2018 in New York City. Portman went {link:vegan: "https://www.usmagazine.com/celebrity-moms/news/natalie-portman-why-my-kids-and-i-are-vegan/"} after reading the novel by Jonathan Safran Foer the film was based on. File Photo by Serena Xu-Ning/UPI
Actor Peter Dinklage, winner of the award for Outstanding Supporting Actor in a Drama Series for "Game of Thrones," appears backstage during the 70th annual Primetime Emmy Awards in Los Angeles on September 17, 2018. Dinklage has been vegan since 2014 and is an {link:ambassador: "https://veganuary.com/people/peter-dinklage/"} for Cruelty Free International. File Photo by Christine Chew/UPI
Actress Alicia Silverstone arrives on the red carpet for the 2018 Glamour Women of the Year Awards in New York City on November 12, 2018. Silverstone {link:penned: "https://www.self.com/story/alicia-silverstone-son-vegan"} "The Kind Diet" in 2011 to advocate for plant-based eating. File Photo by Jason Szenes/UPI
Musician Rob Zombie participates in a ceremony inducting the
band Korn into Guitar Center's RockWalk in Los Angeles on October 8, 2013. Zombie has been {link:vegan: "https://www.peta.org/blog/rob-zombie-eat-flesh/"} since 1982. File Photo by Jim Ruymen/UPI
Musician Moby attends PETA's 35th anniversary party in Los Angeles on September 30, 2015. Moby {link:switched: "https://www.youtube.com/watch?v=6DgUb9w8mOY"} to veganism and became an animal activist because of his love for his childhood pets. File Photo by Jim Ruymen/UPI
