Meaning of "Tattoo" by Hilary Duff

"Tattoo" explores the aftermath of a past relationship that has left emotional scars on the narrator. The repeated mention of "under my skin" and "running in my bloodstream" conveys the idea of how deeply the memories and emotions of the past relationship have affected her. The notion of a tattoo symbolizes a permanent reminder of the love and pain that has been experienced, highlighting the lasting impact that past relationships can have on an individual. The lyrics also touch upon themes of regret, apologies, and the struggle to move on from a significant relationship, all while carrying the remnants of it like a tattoo. The song captures the complexity of emotions that accompany a breakup, from longing and sadness to acceptance and healing, making it a relatable and heartfelt reflection on lost love.