Watch Billie Eilish Perform "Happier Than Ever" on 'Jimmy Kimmel'

Billie Eilish stopped by Jimmy Kimmel Live! on Wednesday evening to perform the title track off her new album, Happier Than Ever.Alongside her brother and collaborator Finneas, Elish appeared on the roof of the Hollywood Roosevelt Hotel, where she gave an emotional performance of the chart-topping track.Eilish then sat down with Kimmel to discuss her James Bond song "No Time to Die," her photo book, William Shatner's New Shepard spaceflight and what's left on her childhood bucket list. After loo...