Returning to London with their biggest event since 2010, Cocoon are taking over Building Six at The O2. Sven Väth is an über DJ veteran, known for his extensive sets and dazzling ability to manipulate the dance floor. And with Tim Green, Anja Schneider, and other huge DJ names, expect killer house, techno, and dance across two epic rooms. Prepare your shapes, because you're gonna throw them. General admission. Over 18s only. Tickets normally £25 plus £2.50 booking fee. Ends 6am.