Michelle Obama: 100 Days, 10 Perfect Looks

As Hollywood's biggest stars walked the Oscars' red carpet, MichelleObama turned heads at the Governors' Dinner wearing an extraordinarysequined gown by Peter Soronen topped with a bold necklace by Tom Binns.

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For a tour around Strausbourg with France's First Lady, Carla BruniSarkozy, the First Lady picked a French-designed jacket from AzzedineAlaia, sleek black trousers and black patent flats.

Looking sleek and sophisticated in an Azzedine Alaia LBD, Mrs. Obamajoined her husband on the red carpet during a NATO event in Baden-Baden,Germany.

Mrs. Obama attended the G-20 Summit spouses' dinner wearing an elegantsatin dress from Isabel Toledo. Earlier the same day, Obama met QueenElizabeth II wearing the same dress topped with an open-front cardigan-a choice some fashion insiders considered questionable.

When she arrived during her first trip overseas, Michelle Obama wowedthe world in a chartreuse dress by Jason Wu topped with a Michael Korscoat that was nipped at the waist with her signature Azzedine Alaiabelt.

The First Lady boarded Air Force One wearing a custom-designed tweedcoat from Thakoon accessorized with one of her favorite pieces-abright jeweled brooch.

For her official White House portrait, the First Lady chose to bare herarms in a sporty Michael Kors design, and finished the look with herfavorite accessory-a double strand pearl necklace.

The First Couple welcomed top musicians like Tony Bennett and Paul Simonto the White House for an event honoring Stevie Wonder. Michelle Obamawore an emerald green dress designed by Kai Milla, Wonder's wife.

The First Lady showed off her signature use of color at a White Housechat with students wearing a skirt and cardigan combination from J.Crew.She accessorized with cranberry-hued pumps and a bold blue belt.

The First Lady's most unforgettable look of her first 100 days was onethat was carried over from the night before-the now-iconic white gown from Jason Wu that she was still wearing after midnight as she joined her husband at 10 Inaugural Balls around Washington D.C.

Look Back:

See the signature styles of past First Ladies on Life.com