Billie Eilish - watch (Karaoke Version)

GRAMMY-winning superstar Billie Eilish makes her first visit to A Late Show for this special extended conversation with Stephen Colbert. Watch as Billie explains why it took her five hours to get through viewing her new documentary, "Billie Eilish: The World's A Little Blurry," and what it was like letting a camera crew take over her home for the production. The documentary will open in select theaters and premiere globally on AppleTV this Friday. | The Late Show with Stephen Colbert