03/06/2011 10:39 BST | Updated 22/05/2015 10:12 BST

Homecoming: Michelle Obama Wows Washington In Floor-Length Purple Frock

Following that whirlwind European tour, Michelle Obama is now firmly back Stateside - and marked her first big USA appearance since her return in serious style.

America's First Lady joined husband Barack Obama on-stage at the Pritzker Architecture Prize event last night, and stole the show in her flowing purple gown.

Mrs O teamed her halterneck dress with a matching waist-cinching belt, droplet earrings, a chic chignon and silver sandals.

Check out our pick of Michelle Obama's top style moments below, and let us know if you think this latest look is up there with the best:

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