• CHEER LEADERS photo | Jessica Simpson, Michelle Obama

Credit: London Entertainment/Splash News Online

Published: Thursday April 14, 2011 06:00 AM EDT



Jessica Simpson and Michelle Obama team up Wednesday to pay tribute to the country's service men and women at Denver's Coors Field. Simpson, one of PEOPLE's Most Beautiful, performed "God Bless America" as part of the First Lady's "Joining Forces" initiative.

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