Meaning of "Stranger" by Hilary Duff

The lyrics of "Stranger" delves into the theme of deception and betrayal within a romantic relationship. The narrator feels conflicted as they are treated well in public, but behind closed doors, their partner's true nature is revealed, showing a lack of kindness and authenticity. The narrator struggles to comprehend how the person they once knew could turn into a stranger, questioning if they ever truly knew them at all. The sense of feeling deceived and manipulated by someone they loved is evident throughout the song, creating a sense of vulnerability and heartache. Ultimately, the song captures the pain of realizing that the person you loved was not who they portrayed themselves to be, leading to feelings of loss and disappointment.