Let's Move! -- First Lady Michelle Obama's initiative to end childhood obesity within a generation -- just turned 4. We're celebrating all week, and we want you to join us.
To kick off this anniversary week, First Lady Michelle Obama and comedian Will Ferrell held a "focus group" with young kids to talk about how they eat healthy and get active.
It was adorable. And there's more great stuff coming all this week.
Watch the video -- then make sure you're signed up for Let's Move! updates.