Jessica Simpson Breast Implants

Is it just our imagination or did everyone's favorite blonde bombshell, Jessica Simpson get breast implants?If you notice in these before and after photo, Jessica once had some rather significant sagging of her breasts, and now they appear to be firm as an 18 year old.Perhaps its the result of a breast lift or maybe merely a good push up bra, either way, she is looking pretty "big" in "good"