Zedd and a group of his most influential friends in the music industry sent a powerful, positive message Monday night, April 3, when the DJ and artists like Halsey, Bebe Rexha, Miguel, Tinashe, Camila Cabello and more performed at "Welcome!," a concert to benefit the ACLU.

Held at the Los Angeles Staples Center and hosted by the Russian-born German producer—himself an immigrant—proceeds for the special one-night event went to benefit the ACLU, an organization which protects and provides resources for women, immigrants, Muslims and other marginalized people.

See photos from the star-studded concert up top.