By DAILY MAIL REPORTER
Surprise visit: Beyonce poses with students at a school in Harlem, New York, today where she took part in Michelle Obama's Let's Move Initiative to fight childhood obesity
RnB superstar Beyonce got her grove on today as she joined a group of New York pupils for a dancing session.
The 29-year-old singer, who has shed weight in recent months, surprised students in Harlem as part of First Lady Michelle Obama's Let's Move initiative to fight childhood obesity.
Teenagers danced to Move Your Body, which the singer recorded for the initiative.
Hands in the air: The singer took part in the four-minute flash dance which was being held simultaneously across the country
Middle School students from around the country were participating in the four-minute flash dance routine simultaneously.
Meanwhile Mrs Obama took part in the dance at the Alice Deal Middle School in Washington.
Beyonce, who attended the Met Gala in New York last night in a stunning fishtail gown, posed with Chancellor of New York City Public Schools Dennis Walcott ahead of the dance.
She posed with Chancellor of New York City Public Schools Dennis Walcott ahead of the dance
Getting her grove on: Meanwhile First lady Michelle Obama got her dancing shoes on at the Alice Deal Middle School in Washington