On Nov. 4, one day before the US presidential election, the talk show host spoke in Philadelphia, PA, in an attempt to swing the battleground state. Her presence was meaningful (Oprah invited a group of first-time voters on stage) and her outfit, too, sent an important message.

Celebrities, including Oprah Winfrey, DJ Jazzy Jeff, and Fat Joe will join Harris on the steps of the Art Museum of Phildelphia for the free event in the city, which will start at 5 p.m. to 10 p.m. Harris is not expected to address the crowd till around 11 p.m.