Because she is a generous and benevolent pop star, Beyoncé usually lets her audience sing the crucial “To the left, to the leftâ€s from “Irreplaceableâ€; sometimes, she even singles out fans for brief solos. Queen Bey went the latter route last night in London and wound up picking a member of another royal family: Princess Eugenie, daughter of Prince Andrew and sixth in line to the British throne. Beyoncé had no idea who Eugenie was — probably because she only deals with actual monarchs — and the Princess was apparently extremely embarrassed. Somehow there is no video of this moment, though please know that we will spend all day refreshing YouTube just in case.