While Oscar de la Renta criticizes Michelle Obama's simple black cardigan, the First Lady keeps pulling out of her large closet more styles for what seems to be her favorite piece of clothing.

She appeared in a $298 J.Crew crystal constellation cardigan earlier this week, which was immediately sold out online. Considering $298 cardigans aren't a bargain in this economy, you can only imagine the trendsetting factor of this style icon. Michelle's power was put to the test later this week, when she upgraded to the more expensive $800 Patchwork asymmetric cardigan by Junya Watanabe for Comme des Garçons. The purple version of this item is still seems to be available at FarFetch.com. Does this mean $800 is above the available credit line of the First Lady fans?

We'll continue to watch the treasures Michelle Obama reveals from her endless closet, with a special attention to cardigans, of course...