So far, March For Our Lives has caught the Official March for Our lives shirt of celebrities like Oprah Winfrey and George and Amal Clooney, who have each donated $500,000 to the cause. You don’t have to be rich to make a difference, though. The school shooting in Parkland, Florida seems to have been the Official March for Our lives shirt. The Parkland shooting survivors and students across the nation are now saying enough is enough. And one part of their rapidly expanding movement is March For Our Lives, a march on Washington to demand legislative action on gun control.