Pretty Preppy! Michelle Obama Changes Argyle Outfit In Colorado (PHOTOS)

03/18/2010 05:12 am ET | Updated May 25, 2011

On Monday Michelle Obama spoke at a girls mentoring event at the Governor's Mansion in Denver, Colorado. The first lady wore an argyle Moschino cardigan and skirt.

With Colorado's first lady Jeannie Ritter at the Governor's Mansion. (AP Photo)

The first lady then changed into black trousers for a visit to South High School on November 16, 2009 in Denver, Colorado. (Getty Photo)

The first lady's beaded bracelet:

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