Emmanuel Kelly, a victim and survivor of chemical warfare in Iraq, doesn't know how old he is. But, thanks to his hero, an Australian woman who adopted him and his brother, he managed to overcome disability and tragedy to become a wonderful singer. This video features his heart-wrenching debut on The X Factor, when he sang John Lennon's Imagine.

October 2011 – UPDATE: Emmanuel didn't make it to the final round of the competition, but his story will be forever embedded in the hearts of three million YouTube viewers, along with the millions who wept during his performance on the talent show.

WATCH the video below…