You Probably Didn't Know These 16 Gorgeous Celebrities Are Vegans

The Veronica Mars actress has her own vegetable garden which she uses to create her own veggie recipes. 

The "Scream Queens" star went vegan because she loves animals, and admits that she had to get creative with recipes. "I'm part of a traditional Italian family, so when I became a vegan, my mother learned how to make a version of lasagne I could still enjoy," she told People magazine.

Olivia believes that the key to being vegan is having the right support system. She's leaned on pals like fellow vegan, Alicia Silverstone, to help her stick to her diet and she feels better than ever. 

The award-winning actress has been a vegan for almost a decade. Her mom is also a vegan chef!

The "Great Gatsby" actor became a vegetarian in 1992, and then went vegan in 2009. For Tobey, not eating meat was a very easy adjustment. "It's never really been that hard for me, he admitted to Parade magazine. "I've never had any desire to eat meat. In fact, when I was a kid I would have a really difficult time eating meat at all."

The actor narrated the 2005 documentary Earthlings, which exposes the suffering endured by animals at factory farms.

The country cutie credits her vegan diet for helping her lose baby weight after the birth of her son.

The "Anything Can Happen" singer believes that her vegan diet has transformed her body, skin and lifestyle.

Leona is very strict about her vegan diet, saying "I'd choose a global ban on animal testing over my singing career."

The Grammy-winning artist featured a message about cruelty of wool production in the liner notes for his album Rave Un2 the Joy Fantastic. 

Following the death of Miley's beloved dog, Floyd, the "Wrecking Ball" singer went vegan and has been very open about her new lifestyle. 

Ari announced that she was going vegan on Twitter in 2013, and opened up about her decision in an interview with Mirror saying, "I love animals more than I love most people, not kidding. But I am a firm believer in eating a full plant-based, whole food diet that can expand your life length and make you an all-around happier person." 

It's hard to believe the Hemlock Grove beauty is 50. In addition to giving up meat, dairy and eggs, she also stopped using plastic water bottles because of their harmful impact to the environment.

Venus became vegan in 2011, and Serena hopped on the bandwagon shortly after, joining her big sister. Venus says that switching to a vegan diet has helped relieve her symptoms associated with Sjogren's syndrome.

In addition to his music career, the "I'm Yours" singer owns and operates his own guacamole farm! Amazing. 

Who is your favorite vegan star?