Oprah Winfrey Matches George Clooney’s $500,000 March for Our Lives Donation.

Oprah Winfrey is doing her part to help end gun violence once and for all.

After George Clooney and Amal Clooney pledged $500,000 to March for Our Lives—a protest organized by survivors of the Marjory Stoneman Douglas school shooting in Parkland, Fla.—the media mogul took to Twitter with a generous announcement.