Michelle Obama told a group of inner-city school pupils today, "the world needs more girls like you".
Once the cheering had died down, students from the Mulberry School For Girls in the heart of London's East End retook their seats and got the chance to question the US First Lady.
They heard Mrs Obama tell them that, as someone who is black, female and also comes from a working-class background, she understands the need for a good education.
She told a packed assembly at the school for pupils aged 11 to 18 that she understands the challenge of being "overlooked" and undervalued.
Despite facing Islamophobia and poverty, 83% of the students from the Tower Hamlets school, including many from ethnic minorities, manage to secure a place at university.