Post Malone Honors Mac Miller Onstage

Post Malone honored the late Mac Miller with a touching tribute at a concert Friday.<br />The 23-year-old rapper performed at the KAABOO Del Mar festival in San Diego.<br />He wore a shirt with "RIP Mac Miller" printed on it.<br />Post Malone shared a photo of himself in the outfit to his Instagram, with no caption.<br />Miller was found dead at his LA home after suffering from an apparent overdose on September 7.<br />"You were such an incredible person. You changed so many lives. Had so much love in your heart.