Mama mia, it's Michelle mania!

She's fashion's breath of fresh air, she's tall and gorgeous with a great figure to boot. Best of all, she's brilliant and gives new meaning to the term 'trophy wife' because President Barack Obama's First Lady Michelle Obama is a prize any man would want to have by his side. No wonder he can't keep his hands off her. This week, Mrs Obama took London by storm with her fabulous, yet affordable, wardrobe pieces and we have highlights for you.

US First Lady Michelle Obama arrives at 10 Downing Street in London on Wednesday. J Crew reported that the sweater sold out within hours after the first lady was photographed in it.

First Lady Michelle Obama strikes gold with her dress and coat ensemble as she matches strides with her main man, President Barack Obama, hand in hand from Air Force One upon their arrival at Stansted Airport in Essex, England, on Tuesday.

First Lady Michelle Obama leaves 10 Downing Street, London, on Wednesday. She shed the black cardigan and coat for dinner.

United States First Lady Michelle Obama joined G-20 spouses for a visit to the Royal Opera House, Covent Garden, London, yesterday.

Check out the coat and hint on tulle that peeps from the hemline of the skirt.