North Korea's 'Princess' Kim Yo Jong threw Pence side-eye, cheered on a joint Korean hockey team, and pushed propaganda in her whirlwind trip to the Olympics

AP Photo/Patrick Semansky, Pool

Kim Yong Nam, top left, watches the Olympics opening ceremony.

Kim Yo Jong, the sister of North Korean leader Kim Jong Un, made the most of her three-day trip to the Winter Olympics in South Korea.

A high-ranking advisor in the North Korean government who runs the "Propaganda and Agitation Department", Kim has been under the media microscope during her trip to Pyeongchang.

From her "side-eye" of US Vice President Mike Pence to hints at Korean unification, Kim has stolen the spotlight at the Winter Olympics. While Kim Jong Un is known for his aggressive militaristic behavior, Kim acted as a foil to her brother as she cheerfully greeted foreign leaders and dined with the South Korean president.

Here's what Kim has done on her historic trip - and why many remain skeptical of the calculated propaganda of the smiling "princess."