The Blackpool singer, who was knocked out of last year's ITV1 talent show in the sixth week, will play six dates across the UK.
He starts at the Newcastle Academy on Tuesday, May 10, before visiting Oxford, London, Liverpool, Birmingham and finishing in Sheffield. Tickets go on sale on Monday, January 31, priced £10.
Grimshaw is one of the nine acts appearing on the official X Factor tour next month.
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