Beyoncé, Tina Knowles, and their family fashion brand Deréon teamed up with the first lady, Michelle Obama, as the t-shirt sponsor for the Let's Move! Flash Workout campaign.

The new campaign is aimed at encouraging young children to make healthier lifestyle choices.

Beyoncé surprised students on May 3, 2011 at PS/MS 161 in Harlem ready to dance and equip the students with fashionable t-shirts designed by Deréon. Students danced and sang to Beyoncé's re-recorded version of her hit single, Get me bodied renaming it Move your body inspiring children to dance towards health and fitnes.

Michelle Obama Michelle Obama