He has taken what could possibly win the award for the world's largest selfie.

This image appears in the gallery:
18 Things Martin Garrix Did Before He Even Turned 18

1. 
2. 
3. 
4. 
5. 
6. 
7. 
8. 
9. 

10. 18 images

See the full gallery: 18 Things Martin Garrix Did Before He Even Turned 18