At Least Wait Til You're 20

So now Jamie Lynn, I know you've probably got younger sister syndrome, thinking that big sis, Brit Brit is the coolest and that you wanna be her in every way, but slow down, little one. I don't wanna believe what Us Weekly reported this week - that 14-year-old you was spotted smoking - around pregnant Britney, no less! So if the fear of giving pregnant Brit a baby with lung problems wasn't enough to halt your bad habits (isn't it enough that it's obviously already going to be a little mentally challenged), maybe this will: Cigarette Smoke Could Pack on Pounds for Teens.

Ask Kelly Osbourne - no one likes their starlets fat.