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Bruno Mars and Mark Ronson's "Uptown Funk" is just one of those songs you can't help but dance to -- it's SO funky! That's why First Lady Michelle Obama and Ellen DeGeneres had a dance off to the chart-topping tune!

After some lighthearted trash talk about their 2012 push-up competition, Mrs. Obama challenged Ellen to perform a choreographed dance number that will be performed on the White House lawn at this year's Easter Egg Roll. 

The First Lady and Ellen got funky to "Uptown Funk" alongside alumni members of Fox's "So You Think You Can Dance" who choreographed the routine in celebration of the fifth anniversary of Mrs. Obama's "Let's Move" initiative. 

Check out First Lady Michelle Obama and Ellen DeGeneres' "Uptown Funk" dance below!