Cast members including Sienna Miller and Sam Worthington will be treated to a finger buffet in the Gun Room and Ward Ante Room along with members of the press, before being called to the Ships Company for a press conference.
Permanently moored on the River Thames in the heart of London, HMS Belfast is one of the capital's favourite event spaces.
Following on from the success of last year, the venue has reintroduced its summer barbeques for up to 350 guests.
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