First lady Michelle ObamaMichelle LeVaughn Robinson ObamaObama says change may be coming 'too rapidly' for many YouTube confirms it picked kids featured in Harris video Photos of the Week: Congressional Baseball Game, ashen trees and a beach horse MORE will appear on “The Late Show with David Letterman” on Aug. 29, CBS announced Wednesday.

Mitt Romney’s running mate, Rep. Paul RyanPaul Davis RyanJuan Williams: Pelosi shows her power Cheney takes shot at Trump: 'I like Republican presidents who win re-election' Cheney allies flock to her defense against Trump challenge MORE (R-Wis.), is scheduled to deliver his speech to the GOP nominating convention that evening. While Obama’s TV appearance likely won’t conflict with broadcast coverage of the convention, the first lady’s media tour could mark another spotlight grab by President Obama's campaign during a week traditionally reserved for the Republican Party. 

ADVERTISEMENT

Vice President Biden also plans to hold a rally on Monday, the first day of the convention, in Tampa, Fla., where the convention is located.

And President Obama will be campaigning in Ohio, Colorado and Virgina on Tuesday and Wednesday of next week.

The first lady plans to discuss back-to-school tips and changes to school lunch programs nationwide during her appearance on the show, according to a press release from CBS.

It is the her third appearance on the show. She last appeared on the "Late Show" in June.