Billie Eilish has taken to the desert to give her first television performance of ‘Your Power’, aired during The Late Show with Stephen Colbert.Matching the colour scheme from the song’s music video, Eilish performed the song acoustically while sitting on a stage in the middle of a desert, with her brother Finneas sitting beside her playing an acoustic guitar.Watch the performance below.In an interview with Colbert, Eilish revealed that she had been platinum blonde for longer than we’d thought,