Michelle Obama with Sesame Street Characters (24 images)

First Lady Michelle Obama uses a pitchfork to dig up sweet potatoes as she and White House Chef Sam Kass (R) help school children in the annual fall harvest of the White House Kitchen Garden on the South Lawn of the White House in Washington, DC on October 30, 2013. Sesame Street's Elmo and Rosita joined the festivities in a marketing campaign to help children eat healthier foods. UPI/Pat Benic

First Lady Michelle Obama uses a pitchfork to dig up sweet potatoes as she and White House Chef Sam Kass (R) help school children in the annual fall harvest of the White House Kitchen Garden on the South Lawn of the White House in Washington, DC on October 30, 2013. Sesame Street's Elmo and Rosita joined the festivities in a marketing campaign to help children eat healthier foods. UPI/Pat Benic

First Lady Michelle Obama pulls up pumpkins as she helps school children in the annual fall harvest of the White House Kitchen Garden on the South Lawn of the White House in Washington, DC on October 30, 2013. Sesame Street's Elmo and Rosita joined the festivities in a marketing campaign to help children eat healthier foods. UPI/Pat Benic

With Sesame Street's Elmo and Rosita donning chef hats, First Lady Michelle Obama helps create a vegetable wrap with school children in the annual fall harvest of the White House Kitchen Garden on the South Lawn of the White House in Washington, DC on October 30, 2013. Sesame Street's Elmo and Rosita joined the festivities in a marketing campaign to help children eat healthier foods. UPI/Pat Benic