WASHINGTON (AP) - Sesame Street's Big Bird is helping Michelle Obama encourage kids to eat healthier and be more active.

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They're starring in a pair of public service announcements that will be distributed to more than 300 Public Broadcasting Service stations.

One ad features the first lady and Big Bird in the White House kitchen showing how easy it is to eat healthy snacks like fruits and vegetables. In the other spot, Big Bird jogs, jumps and dances as Mrs. Obama explains that daily exercise is important for good health.

The announcements are part of the third anniversary celebration of "Let's Move," the first lady's anti-childhood obesity program. She heads out next week on a two-day tour of Mississippi, Illinois and Missouri to discuss progress, and new efforts to improve children's health.