Is It Dylan or Is It Cole?

UPDATED 05/20/2009 at 01:00 AM EDT • Originally published 05/20/2009 at 01:00 AM EDT

Can you tell which Sprouse is which? Test your wonder-twin powers on these pairs of photos from different stages of the boys' lives. (Answers below)

ANSWERS: 1. Dylan, 2. Cole; 3. Dylan, 4. Cole; 5. Cole, 6. Dylan; 7. Cole, 8. Dylan; 9. Dylan, 10. Cole; 11. Dylan, 12. Cole; 13. Cole, 14. Dylan; 15. Cole, 16. Dylan; 17. Dylan, 18. Cole