"I don't believe we can become numb to the pain and suffering of so many people in the world when there are actually real things we can do," she said in a statement released by Oxfam.
Hollywood stars join Oxfam to draw attention to refugees →
"I still haven't heard from my daughter in five months. I just want to find her and bring her back to Cambodia," she said in a hot and dusty union office in a dilapidated suburb of Phnom Penh.
Celebrity-backed efforts to fight human trafficking in Southeast Asia tainted by corruption →