LATEST: Singer Ricky Martin was reduced to tears during a charity trip to Cambodia when a teenage rape victim performed a song she wrote about her attack. The star spent time with children affected by sexual assault at a shelter in Siem Reap, working for his Ricky Martin Foundation. After he was serenaded by young residents of the shelter - Martin told them, "I'm not going to stop. All of you are my heroes. You are a gift of my life." In February (08), Martin learned of Cambodia's child trafficking problems during a three-day United Nations conference in Vienna. He joined actress Emma Thompson and Egyptian first lady Suzanne Mubarak in calling for action.