Grimes Lights Up 'Fallon' With Rapturous 'Flesh Without Blood'

Grimes turned The Tonight Show into a neon-lit dreamscape Wednesday for her performance of Art Angels single, “Flesh Without Blood.”

Strapped with a sticker-covered Stratocaster and dressed in a billowing ball gown, Grimes belted the pop cut in her stunning, helium-high voice and traded guitar, sampler and synth duties with another musician. The singer also…