Over the weekend, Jessica Simpson demonstrated a style tradition for pregnant women – conceal the bump with a Hermès bag. In this case, it's a classic orange Birkin. Click through for some history of this bag and belly tradition. 
Grace Kelly originally carried the classic Hermès bag to conceal her pregnancy. The bag was later dubbed the Kelly, in her honor.
Kim Kardashian took her Birkin to the gym, but doesn't seem to be worried about hiding her bump. 
Beyonce carried a Kelly during her pregnancy. Love the shoulder strap and we think Grace Kelly would have too. 
Molly Sims flaunted her baby bump and her baby blue Birkin during her pregnancy. We should have guessed she was having a boy.
A classic combination: Pregnant celebs and Birkins
