War hero and former Dancing with the Stars champ J.R. Martinez is able to smile now despite his many scars from an explosion in Iraq, but it's been a long road to regain his happiness. RELATED: Meet J.R. Martinez's New Baby Girl! J.R. revealed to ET's Christina McLarty that while in recovery from his horrific accident, he had 33 surgeries in 34 months. As his burns covered more than 34 percent of his body, J.R. needed to use skin grafts to cover some of the damaged areas. Doctors were forced to
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