Do you think it was inappropriate of Michelle Obama to wear a sleeveless dress for her first official White House photograph?

I think she looks nice... "After getting up at 5.30am every day for a gym workout, she has the right to bare arms. But Michelle Obama has upset fashion critics by wearing a sleeveless dress in her first official White House photograph. With Washington shivering in a snowstorm yesterday, the bare-armed look was criticised as out of season and too informal."