The 36-year-old actor and his fiancee Kristen Bell - who have a three-month-old daughter, Lincoln, together - were named the World`s Sexiest Vegetarians by People for the Ethical Treatment of Animals (PETA) but Dax admitted he is ineligible because he eats chicken. He tweeted: "I`m really flattered to be named `Sexiest Vegetarian` with ‪@IMKristenBell, but sadly I can`t accept in good conscience because I eat chicken. "I was vegan for a year, but that ended 6 months ago. I aspire to be more like ‪@IMKristenBell, but I`m not there yet (sic)." Dax and Kristen were the first couple to hold the titles at the same time. Announcing the winners, a spokesperson for PETA said: "It`s a year of "firsts" for Kristen Bell and Dax Shepard: the pair, who welcomed their first child in March, have just become the first couple to win the male and female divisions in PETA`s annual Sexiest Vegetarian Celebrity contest." Kristen, 32, beat off competition from such animal-friendly beauties as Jenna Dewan-Tatum and Tia Mowry - both of whom are vegans. The `Veronica Mars` actress who was vegetarian for many years before going vegan - a lifestyle choice which doesn`t allow the consumption of any food made from animals or the use animal-related products - made the decision when she was young because she`s such a huge animal lover. The `Scream 4` star said: "I had a hard time disassociating the animals I cuddled with - dogs and cats, for example - from the animals on my plate, and I never really cared for the taste of meat. I always loved my Brussels sprouts!"