The official ticketing agencies for this event are Ticketmaster and DTIX. Validity of your Tickets can only be ensured by purchasing the Tickets directly from these Authorised Sellers.
Invalid or fake tickets are tickets that do not allow you admission to an Event (for example, because there are multiple versions of the same Ticket or the tickets are not genuine).
Tickets purchased through third parties such as Viagogo, Ebay, Gumtree, Facebook, etc are done so at the customers own risk. Fraudulent tickets will not be honoured.