(Source: Instagram/shaymitchell)
2. Shay Mitchell
If you follow Pretty Little Liars star Shay Mitchell on Snapchat and Instagram, then you can follow along with her charity work and fierce dedication to humanitarian causes in real time. The actress isn't shy about sharing when she travels to places like Kenya or Syria, for example, to provide humanitarian relief for refugees. Most recently, she shared a post on Instagram highlighting her visit to the Dead Sea, or more specifically, the Azraq Syrian Refugee Camp.