To get you in the spirit of the occasion, here are some reminders of the festival last year and in 2019, 2018 and 2017.
Are you pictured as you watched the live entertainment, or simply lapping up the sun?
Take a look and re-live some great memories.
1. Flowers and fun
Fun in the sun last year. Photo: Kevin Brady
2. Meeting new friends in 2018
Kateria (left) with mum Dagmar of Slovakia, with friends at the Waterfront Festival 4 years ago. Photo: Kevin Brady
3. Back to 2019
Fans watch Michael Rice on stage at the 2019 festival. Photo: Kevin Brady
4. Time for a dance
Fans having fun in 2019. Photo: Kevin Brady