The first lady delivered Letterman's Top 10 list on Wednesday's show, a night after her speech before the Democratic National Convention in Charlotte, N.C. It was a week after her last appearance on the CBS show, her fourth time this year.
Obama presented the "Top Ten Reasons to Watch the Democratic National Convention."
No. 6: "As a healthy alternative, we're using low-fat confetti."
No. 4: "There will be no Kiss Cam."
And the No. 1 reason to watch the convention, according to the first lady, "At long last, I'll reveal who I'm voting for."