Reiley has won Melodi Grand Prix, earning him the right to represent Denmark at the Eurovision Song Contest in Liverpool.
The 20-year-old, who hails from Danish territory the Faroe Islands, triumphed in the contest with his song 'Breaking My Heart', which earned an impressive 43% of the vote among the final three contenders.
Posting on Instagram after his victory, he wrote: "What a night! Thank you so much Denmark for allowing me to represent us at Eurovision.
"I'm going to do my best to bring it home and WIN in Liverpool. Hope to not Break Your Heart."
Reiley will take to the Liverpool stage in the second of the semi-finals on May 11.
Watch the video for 'Breaking My Heart' below:
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