Newly minted U.S. citizen Emily Blunt, the British actress who once played Queen Victoria to a petulant T, must not have read the fine print on the citizenship oath.
Surely it says somewhere: Don't joke about American politics in public - leave that to the Yanks.
"It was so not my intention to hurt anybody or cause offense, and I really apologize to those I caused offense," she told Savannah Guthrie on the Today show.
In the midst of promoting her forthcoming action-thriller, Sicario, in which she plays an FBI agent involved in the drug-war, Blunt was asked about GOP frontrunner Donald Trump by The Hollywood Reporter during a session at the Toronto International Film Festival.
She joked that she watched the first Republican debate the night she was sworn in "and I thought, This was a terrible mistake.
What have I done?"