"There’s absolutely no way that I can perform, cross a picket line and pick up money when I know that people are out there fighting for a living wage," LL Cool J said.

LL Cool J and Jazmine Sullivan canceled their Philadelphia July 4th concert appearances to support striking municipal workers.

In this life we are only measured by how we uphold our morals and standards, by what we choose to fight for through participation or protest,” she wrote on her Instagram story.