Donald Trump and Melania Trump caused a stir during their state visit to the UK on September 17, 2025, when they were welcomed at Windsor by King Charles, Queen Camilla, Prince William, and Kate Middleton. Beyond the formalities, several moments of the visit went viral, drawing widespread commentary online.

Melania Trump’s wide-brimmed purple hat quickly became the center of attention. Social media users speculated on the hat’s size and color, comparing it to a “do not approach” symbol and noting how it partially concealed her face. The striking purple, paired with Trump’s matching tie, led some to suggest the couple intended to make a bold visual statement.

Purple, historically associated with royalty, only added fuel to the online conversation. Timing also sparked discussion. Scheduled for noon, the Trumps arrived roughly 16 minutes late, with Marine One circling Windsor Castle longer than planned. The delay disrupted the schedule and contributed to the overall impression that protocol might not be strictly followed.

The most talked-about moment occurred during the military inspection. Traditionally, guests walk behind the monarch, but Trump walked ahead of King Charles, shocking royal watchers. Critics accused him of breaking etiquette, a pattern noted from past royal visits. Despite the controversies, the visit continued with ceremonial pomp, including introductions at Victoria House and the Windsor inspection. While Trump returns to the U.S. on September 18, Melania’s hat and the protocol breach will likely remain the most discussed aspects of the trip, fueling conversation across social media and news outlets for days to come.