Beyoncé - Let's Move! "Move Your Body"

In an effort to help address childhood obesity in school’s, Michelle Obama enlisted Beyonce to help.

Together, they’ve created the “Let’s Move! Flash Workout” campaign. The campaign calls for middle school students across the nation to participate in a pre-choreographed “Let’s Move!” dance exercise routine at an identical time – Tuesday, May 3, at 1:42 p.m. Eastern Time.