The first lady wore a strapless white gown with a geometric black trim and a small slit to the inaugural ball on Monday, Jan. 20

As President Donald Trump entered the U.S. Capitol Rotunda to be sworn into office on Monday, he moved to kiss the cheek of his wife Melania but was blocked by a wide-brimmed hat that the First Lady wore throughout the entirety of Inauguration Day.

As the world watches for the transition of power on Inauguration Day, the fashion industry eyes the ensembles of the first ladies.