Watch: Kygo + Ellie Goulding collab for Radio 1's Live Lounge.

Kygo and Ellie Goulding recently guest appeared and peformed together in the BBC Radio 1's Live Lounge - choosing to perform a stripped-down version of their collaborative single, 'First Time', as well as covering an acoustic version of Harry Styles's 'Sign Of The Times'. 

Watch the performances below...