**No holds a 58% market-implied probability because the market resolves Yes only if all three celebrity milestones occur by December 31, 2026: Taylor Swift and Travis Kelce marry, Tom Holland and Zendaya marry, and Timothée Chalamet and Kylie Jenner get engaged.** Trader sentiment favors No due to the tight timeline and uneven progress across the couples. Swift and Kelce’s 2025 engagement and reported 2026 wedding plans provide the clearest path forward, yet Zendaya’s demanding film schedule has slowed Holland planning after their prior engagement, while Chalamet and Jenner’s relationship shows no confirmed engagement signals despite years of dating. The all-or-nothing structure amplifies uncertainty around any single delay or shift in personal timelines. Key upcoming catalysts include potential fall or holiday announcements that could clarify one or more outcomes before year-end.