Grahame, who appeared on the seventh series of the Channel 4 reality show, will meet fans and do a Q&A session at the event.
Tickets cost £50 for adults and £30 for under 18s, and they include a welcome drink, canapés, a signed photo and access to the talk and Q&A.
'An Audience With Nikki Grahame' takes place on Monday, June 14.
