Continuing in the grand, historic tradition of the Venetian carnival and Royal Court, The Late Night Cocktail Club invites you to its annual Young Professionals' Spring Masquerade Ball at London's most glorious roof top folly and private members' club. Among the guests, expect to encounter a dazzling array of live performers including delectable dancers, marvellous musicians, agile acrobats and mystifying magicians. Over 21s only. Valid ID is essential. Your ticket includes a complimentary cocktail. Tickets are only valid for entry until 9:30pm. Dress code: black tie/masquerade.