Alicia Silverstone showed off her legs in a sexy bodysuit to talk about veganism for a nonprofit campaign on Wednesday.While wearing various chic looks for a photoshoot for Compassionate Living Magazine, the actress, 46, spoke about her journey into becoming vegan and her reasons for doing so.The star has long been involved in animal rights campaign work and even posed nude for the first time in her career to inspire people to wear vegan clothes in a PETA campaign last month. Chic campaign: Alicia Silverstone showed off her legs in a sexy bodysuit to talk about veganism for a nonprofit campaign on WednesdayIn collaboration with Mercy for Animals, the Clueless star shared a video where she talked about her vegan lifestyle while sporting glamorous looks for the shoot. For one look, she donned a bodysuit with a corset-style bodice and sheer paneling around the ribbing to show off her hourglass figure. She paired the look a black-and-white patterned hooded cape and black pointed-toe heels.