At age just 16 he had a track released on Christina Aguilera's 'Lotus' album.
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18 Things Martin Garrix Did Before He Even Turned 18

9. At age just 16 he had a track released on Christina Aguilera's 'Lotus' album.
Most 16-year-olds are busy taking their GCSE's but not Martin Garrix. The Dutch DJ was remixing Christina Aguilera's 'Body' at age 16, which featured on the 'Lotus' albums deluxe version, alongside all his regular school work.