Four years after Worldwide Orphans Foundation founder Dr. Jane Aronson met Amy Poehler at an event, the star’s life has taken on a whole new role—supporter of Aronson’s cause to transform the lives of orphaned children in third-world countries. “Like most people who meet her and hear her, I instantly believed in her and fell in love,” Poehler said of Aronson. In January, the Parks and Recreation star traveled to Haiti on behalf of the foundation to experience its work first-hand, and her involvement came full circle last night when she hosted a WWO fundraising soiree in Los Angeles, where she inspired her star pals Aubrey Plaza, Ahna O’Reilly, Sean Hayes, and Alison Pill to learn more about the issues at hand. “Amy told me that when she went to Haiti it was the littlest things that she did that mattered,” Plaza told InStyle.com at the event, where she perused photos of the organization’s work put together by the photo-printing site Shutterfly.com. For Poehler, the evening was about proving that change can happen one step at a time. “The orphan crisis almost seems too enormous to fix, right? Jane has taught me, and I’ve learned by example, that’s not true,” she said. “You just roll up your sleeves and start working. You’re creating a better future, you’re creating a better world, you’re creating a world that’s full of more love and you’re easing the pain of children all over the world.” Click the photo to see more from the party, and to learn more and donate to the cause, visit wwo.org.

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— Nicola Jones