This study examines the transformation of grief psychology among contemporary youth under the pervasive influence of social media, revealing the emergence of new emotional behaviours, virtual mourning rituals, and digi- -tally mediated memory cultures.Traditionally, grief was a private and temporally limited experience shaped by familial bonds, religious customs, and physical communal spaces. The advent of networked communication technolo- -gies has shifted mourning into highly visible online environments where emotions are continuously displayed, archived, circulated, and algorithmically resurfaced. This paper contends that platforms such as Instagram, WhatsApp, Facebook, and TikTok have fundamentally reconfigured bereavement into a participatory, performative, and perpetu- -ally mediated phenomenon. Young users increasingly express loss through status updates, tribute montages, memorial pages, comment threads, disappearing stories, and digital storytelling. Unlike conventional mourning, which gradually diminishes over time, digital grief persists through archived interactions,automated memory prompts, resurfaced photographs, and algorithmic noti- -ications that repeatedly reactivate emotional recall and psychological attachment. The study also critically explores the boundary between authentic emotional vulnerability and perfor- -mative online expression, questioning whether public mourning genuinely facilitates catharsis and collective healing or primarily serves as a mechanism for visibility, validation, and affective performance within digital culture. At the same time, online communities foster new forms of emotional solidarity, enabling geographically dispersed individuals to collectively navigate trauma, loneliness, and existential distress in virtual spaces of shared empathy. Drawing on media psychology, digital culture studies, and emotional communication theory, this paper argues that digital mourning represents a new mediated emotional reality characteristic of the twenty-first century. It further raises a critical question: when grief is endlessly preserved, replayed, and algorithmically revived, does mourning ever truly conclude? As social media increasingly transforms memory into permanent digital residue, the future of human grieving may be defined less by emotional closure and more by an ongoing cycle of remembrance, reactivation, and psychological persistence.