The Global Citizen Festival will feature Rihanna, Usher, Chris Martin, Metallica and Eddie Vedder, Demi Lovato and Kendrick Lamar, among many others. You can watch the event live from Central Park on MSNBC, or stream it here, starting at 3 p.m. EST, Sept. 24,  .  A star-studded cast of hosts includes Chelsea Handler, Debra Lee and Hugh Jackman, Neil Patrick Harris, Priyanka Chopra, and Salma Hayek Pinault.

The Global Citizen goal is nothing short of ending extreme global poverty by 2030. The group is forging initiatives on water and sanitation, food and the environment and girls and women’s causes. Learn more at globalcitizen.org (where the livestream/blog will also be available).