NBC announced that First Lady Michelle Obama will appear on "The Tonight Show" Jan. 31.

This will be Mrs. Obama's first appearance on "The Tonight Show" as First Lady; she previously appeared on the show in October 2008.

She's expected to discuss her "Let's Move" campaign, life in the White House and her upcoming book on the White House kitchen garden.

Mrs. Obama made a guest appearance on the Nickelodeon kids' show "iCarly" last weekend.