Article continues below advertisementQueen Elizabeth, who reigned for 70 years until her death in 2022 at age 96, was famed for composure - yet OK! can reveal when royal protocol was breached, she had a brisk, three-word rebuke that cut through the noise.The late monarch, mother of King Charles III, 77, built a reputation for restraint and duty. Publicly, she embodied steadiness. Privately, aides say she possessed a dry wit and a firm sense of boundaries.Article continues below advertisementSource: MEGAQueen Elizabeth had rare moments of irritation.