Obama's First Seven Days...Of Fashion (SLIDESHOW)

Dressing for your first week of work is much like dressing for the first week of school: it matters. While the new president remained formal during the day--he did, however, dare to remove his jacket in the Oval Office--he decreed weekends in the White House would be business casual, opting to wear slacks and a gray sweater over a white buttoned-down shirt when he showed up for work on Saturday.