Be there for all the fun as First Lady Michelle Obama leads a crowd of 14,000 Iowa students in the "Interlude" dance, on the first day of her three day, four state tour to celebrate the second birthday of Let's Move!

Watch a behind the scenes video of First Lady Michelle Obama's Let's Move! anniversary tour.

More from the Let's Move tour:
Michelle Obama: If You Are Doing Great Work, Tell Me About It 
Watch: Michelle Obama does the "Platypus Walk"
Michelle Obama Judges "Top Chef"
On the Road with Let’s Move
Two Years of Healthy Changes for Our Nation’s Kids