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First Lady Michelle Obama is making another appearance on the late-night talk show circuit.

The first lady will appear on the “Late Show with David Letterman” on March 19. Mrs. Obama will discuss her Joining Forces initiative, which supports military families, and reveal her plans for the program’s one-year anniversary.

This will be Mrs. Obama’s first appearance on the Letterman Show, however, she has made a splash during other late night stops promoting her initiatives and gaining momentum for President Barack Obama’s re-election campaign.

The first Lady was recently a guest on NBC’s “The Tonight Show with Jay Leno” and Jimmy Fallon’s “Late Night” programs, where she challenged Leno to try healthy fruits and vegetables and defeated Fallon in a physical exercise competition promoting her “Let’s Move” campaign.