Celebrity Ex On the Beach were in fo a treat when they saw Geordie Shore fan favourite Nathan Henry reunite with his very handsome ex, Declan Doyle, in the most recent series of the show. They definitely had some unfinished business and the series acted as the perfect catalyst to bring them back together.But outside of his time on the show and his relationship with Nathan, just who is Declan Doyle? Here's everything you need to know about the reality TV star and model.Declan Doyle is a reality TV star and influencer who most recently appeared on Celebrity Ex On the Beach.