Both Ashlee and Jessica have two kids each now, so let's take a trip down memory lane to when the Simpson sisters were just starting their careers!
The star rocked a black, cutout monokini on Instagram just one week after Kylie Jenner shared a picture in the same suit, which her sister wore in Allure Magazine
This is Agent Provocateur Dakotta Swimsuit is becoming the hottest style of summer.
Pregnancy = Twinning.
The sisters aren't twins, but look totally alike in these pregnancy pics, one from 2013, and one from this week.
Jessica Simpson posted a sizzling hot swimsuit pic to Instagram after returning from her extravagant birthday bash in St. Barths.
If you got it, flaunt it.
Jessica Simpson's St. Barths vacay is the stuff of dreams.
The star celebrated her 35th birthday in style on the Carribbean island, surrounded by friends and family for a week of fun.
Whoa! Look at these legs.
Demi Lovato sported one of the most revealing outfits we've ever seen on her!
Jessica Simpson's son, Ace Knute, manages to out-cute even Harry Styles.
Get a room!
We're counting down Hollywood's top PDA offenders.
