Actor Jim Carrey, Jim’s daughter, Jane, and Jenny McCarthy march on Washington.

Celebrity couple Jim Carrey and Jenny McCarthy descended on DC on Wednesday. The Horton Heard A Who star and the former Playboy beauty were on hand for the “Green Our Vaccines” rally at the U.S. Capitol march. The march and rally was organized by advocacy groups aiming to eliminate toxins from children’s vaccines. Jenny blames an early vaccine for her son Evan’s autism.

Jim and Jenny’s son, Evan.