Question: Which Canadian actress, and star of the TV show "Pretty Little Liars," participated in Logan Paul's music video entitled "Help Me Help You"?
Sentence (from "List of Pretty Little Liars episodes"): One year later, the estranged friends are reunited as they begin receiving messages from a mysterious figure named "A" who threatens to expose their deepest secrets, including ones they thought only Alison knew.
Relevant evidence: No