The couple marches through Washington D.C., to protest toxins in vaccines. Plus: Lindsay & Samantha, Michelle Williams, Kate Hudson and more

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THE GREEN TEAM

Jenny McCarthy and beau Jim Carrey help rally the crowd during a march through Washington, D.C., Wednesday to raise awareness about toxins in vaccines. Carrey – who marched with McCarthy's son Evan (not pictured) on his shoulders – told PEOPLE that McCarthy is "the source of all that is good" in his life.