Watch One Direction perform the track You & I at Radio 1’s Big Weekend 2014 in Glasgow. For their full set head to – http://www.bbc.co.uk/radio1/bigweekend

Camila Cabello and James Arthur perform Say You Won’t Let Go at Radio 1’s Teen Awards 2017. Visit Radio 1’s Teen Awards 2017 website for more videos and photos – https://www.bbc.co.uk/teenawards