Singing “Sweet Home Alabama,” Cook, an Alabama native, rocked out in the passenger seat during the livestream. The trio also sang OneRepublic's "I Lived."
Apple in July announced an upcoming "Carpool Karaoke" series. The show will stream via Apple Music. No premiere date has been announced.
The event is expected to unveil the iPhone 7 and the iPhone 7 plus. Watch it streamed live here.