Final preparations are underway at Brighton's Falmer stadium ahead of Fatboy Slim's two day gig which starts this afternoon.
23 thousand people are expected to attend the event each day. Several acts will be joining the DJ on stage.
More top news
Philippa has Thursday's weather for the east
Philippa has Thursday's weather for the west
We've joined a group who go Open water swimming - all year round who take the plunge in lakes and oceans no matter what the weather.