Welcome to August. The dog days of summer are here, though you'd never know it looking at these recent paparazzi pics from CelebSlam and The Superficial. It appears that Hollywood is experiencing a freak cold spell, if the thermometers attached to Jessica Alba's and Jennifer Aniston's breasts are to be believed.

Mr. Skin is no meteorologist but knows a cold snap when he sees one. Or two. Or four, as the case may be.

New mom Jessica thrilled by smuggling a couple of rock-hard pills under her shirt as she headed to the gym yesterday, and the forever-perky Ms. Aniston joined the fun when she headed out in a paper-thin tank top that did nothing to shield her mam missiles from view.

While the skingy Ms. Alba still has yet to unleash any body part that is not the work of a body double onscreen, she nearly flashed one Alboob in Good Luck Chuck. Aniston has been a bit freer with the funbags and graciously gave us a look at her breast Friend in The Good Girl. Those hard nips are what's really good, girls.

Jennifer Aniston in The Good Girl