First Lady Michelle Obama was captured waving to photographers as she walked with daughters Malia and Sasha upon arrival for a reception hosted by Brazilian President Dilma Rousseff at the Palacio da Alvorada in Brazil this weekend.

She wore a stunning Naeem Khan Spring 2011 dress.

The neutral linen shift dress was embellished with intricate gold embroidered details which were complemented by her gold kitten heels.

Mrs O opted to modify her dress slightly to give it an open neckline.

A chic updo, flawless make-up and gold accessories completed her look.

Mrs O has been come quite a fan of Mr Khan, having worn his dresses to greet the Indian Prime Minister and the 33rd Annual Kennedy Center Honors Ceremony.

Credit: Style.com & Getty