First lady Michelle Obama will once again grace the cover of Vogue Magazine.Mrs Obama will appear in the April issue of the magazine,along with President Obama,in which they discuss their lives as parents and their kids Sasha and Malia."Ninety percent of our conversation is about these girls: What are they doing? and who's got what practice "says Michelle in the story. Mrs. Obama was previously on the cover in April 2009. The issue will be on newsstands March 26.