From Freddie Mercury to colouring crayons, there were some eye catching outfits on show.
But out of the 12,000 people who descended on the park, who had the best fancy dress?
Vote in our poll and let us know.
READ MORE: 86 photos from Let's Rock 2019 - Can you spot yourself in the crowd?
Let's Rock 2019 at Earlham Park. Picture: Lee Blanchflower (Image: Archant)
Let's Rock 2019 at Earlham Park. Picture: Lee Blanchflower (Image: Archant)
Let's Rock 2019 at Earlham Park. Picture: Lee Blanchflower (Image: Archant)
Let's Rock 2019 at Earlham Park. Picture: Lee Blanchflower (Image: Archant)
Let's Rock 2019 at Earlham Park. Picture: Lee Blanchflower (Image: Archant)
Let's Rock 2019 at Earlham Park. Picture: Lee Blanchflower (Image: Archant)
Let's Rock 2019 at Earlham Park. Picture: Lee Blanchflower (Image: Archant)
Let's Rock 2019 at Earlham Park. Picture: Lee Blanchflower (Image: Archant)
Let's Rock 2019 at Earlham Park. Picture: Lee Blanchflower (Image: Archant)
Let's Rock 2019 at Earlham Park. Picture: Lee Blanchflower (Image: Archant)
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