Michelle Obama's most memorable outfits

Published On: Jan 17 2012 09:24:09 AM CST   Updated On: Jan 17 2014 09:42:11 AM CST

Happy birthday, Michelle Obama! In honor of the first lady's 50th birthday, check out her most memorable outfits.

Michelle - Congress
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The first lady showed off her buff arms in this purple sleeveless dress that she wore while her husband spoke to a joint session of Congress.

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