Another beautiful day in Herrington Country Park as the festival opened up to all ages - after an over 18s dance night on Friday.
Clad in turquoise and frills, Zara Larsson headlined with a big summery set, with tracks from latest album Midnight Album, as well as hits such as the viral Lush Life.
Other big fan favourites included a smooth set from Louis Tomlinson.
For Fatboy Slim set highlights see here: https://www.sunderlandecho.com/news/people/in-pictures-fatboy-slim-caps-off-incredible-night-of-dance-at-radio-1s-big-weekend-in-sunderland-8638299
9. Ellie Goulding brought some early afternoon energy to the main stage
CREDIT LINE:BBC / James Watkins
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