Belly deals with her conflicted feelings between Conrad and Jeremiah, with discussions focusing on her choice of Jeremiah.
Note: Some results also pointed toward "PROM" in a medical context (Premature Rupture of Membranes) on pregnancy-focused podcasts, or other "S2E8" episodes (like Cobra Kai or Emily in Paris), but the TSITP reference is the most prominent regarding a "Prom" (short for Promise/Promenade) theme in young adult drama. [S2E8] Prom
Discussions mention potential for a future season 3 to focus on the aftermath of these events. Belly deals with her conflicted feelings between Conrad
Conrad confronts Belly about the infinity necklace, ultimately insisting she keep it and saying "It's still yours," fueling ongoing romantic tension between them. [S2E8] Prom
Based on the search results, the report for "[S2E8] Prom" appears to refer to the season finale of The Summer I Turned Pretty (Season 2, Episode 8), which features significant character developments involving Belly, Conrad, and Jeremiah.