Bam! Jessica Simpson better watch her back (or rather her front), because it looks like baby sister Jessica Simpson is the busty one of the bunch now. With the simple one-two punch of a very low neck t-shirt, and a great push-up bra, Ashlee Simpson's cleavage is finally making her somewhat interesting. But could this be more than just a good bra? Could this actually be proof that Ashlee has a bun in the oven. Who cares! Boobs!
Photo credit: X17