You will need to contact the celebrity's agent for bookings. If they don't have an agent, then you would speak to their manager. Before beginning the inquiry process, you need to solidify a few details: venue, budget, date of the event and time frame of the celebrity's appearance, what you want the celebrity to do at your grand opening and what arrangements you are willing to cover. Because your opening is in December, also consider your confirmation deadline and have a plan b in case your first option doesn't work out.
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