Carlos R. Alvarez/WireImage; Courtesy of Obama for America/Splash News
InStyle Staff
Jan 17, 2012 @ 12:15 pm

Michelle Obama turns 48 today! To celebrate, we're taking a look back at her style evolution from barrette-wearing grade school student to elegant First Lady. Click through the gallery to browse her transformation now!

MORE:Michelle’s 10 Perfect Looks• 9 Tips From Michelle’s HairstylistTry on Michelle Obama's Hair! • Michelle Obama Cut the Sleeves Off Her Dress

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