Released on Rihanna's 2010 3 CD Collector's Set, 'P.S. (I'm Still Not Over You)' stands as a poignant exploration of lingering affection within her early solo discography. The track exemplifies the R&B-pop fusion that defined her career during this period, blending melodic sensibilities with introspective lyrics about the complexities of moving on. As part of her broader catalog from the late 2000s and early 2010s, the song reflects her ability to craft emotionally resonant narratives that resonate with listeners globally. Its inclusion in collector's editions highlights its significance as a staple of her work, showcasing her vocal prowess and songwriting depth during a transformative era in her musical journey.