stripes kid pregnant

The other day we spotted a barefaced and beautiful Nicole Richie picking up her daughter at school, and while we were initially distracted by Harlow's cherub-like face, we couldn't help but notice a bit of a bump under Nicole's striped top!

Nicole and partner Joel Madden welcomed their second child Sparrow in September of 2009, but is it possible that they're looking to add a third celebritot to their brood? Nicole's rep hasn't gotten back to us, so what do you guys think? Just a billowy shirt or does Nicole have a bun in the oven?! Observe:

stripes kid pregnant stripes kid pregnant