The annual ball is upon London's vintage fans, so expect an extravagant evening of big band swing, world class cabaret, supremely stylish threads and dancing in this stunning period venue. On stage: Sticky Wicket and his 15-piece swing orchestra, King Candy & The Sugar Push, Shirt Tail Stompers and Attic Cats Cabaret plus, special guests and DJs crate-digging until close. DC: Vintage or black tie.