Possible Clues:

• Star name, one adopting fashionable diet
• Type of diet perhaps in forefront
• Person avoiding animal products
• Like plant-based cheese
• Manage veal portion? One might send it back
• Picky eater’s vehicle containing 50% eggs
• Like Tabitha Brown's food
• Like the Beyond Burger
• I've strict diet for one apparently leading pack?
• One who does not eat or use animal products