Pop superstar Taylor Swift and Kansas City Chiefs tight end Travis Kelce announced their engagement on 26 August, posting images of Kelce’s garden proposal and a vintage-style diamond ring on Instagram. The 10–15-carat, old-mine brilliant-cut stone, designed by New York’s Artifex Fine Jewelry, carries an estimated price tag of about $650,000, according to gemologists consulted by Forbes. Ed Kelce later told local media the proposal actually occurred roughly two weeks earlier at his son’s Missouri home. The celebrity union triggered an immediate ripple through consumer and capital markets. Shares of Signet Jewelers, parent of Kay and Zales, spiked intraday on 26 August and were still trading at volumes about eight times their one-month average the following morning, as investors bet on demand for copy-cat rings. Separately, American Eagle Outfitters moved quickly to unveil a limited-edition ‘AE × Tru Kolors by Travis Kelce’ apparel line on 27 August, leveraging the publicity around the engagement. Retail effects extended beyond equities: Forbes reported a 200 % jump in Kelce jersey sales, while Billboard said the engagement post set a new Instagram-likes record. President Donald Trump offered congratulations, telling reporters he wished the couple “a lot of luck,” underscoring the broad cultural reach of what many outlets dubbed the “proposal heard ’round the world.”