The ultimate American blonde girl has been in the spotlight for over a decade and her body has definitely changed, especially lately.
At the Billboard Music Awards.
At the 28th Annual American Music Awards.
At Nickelodeon's 14th Annual Kids' Choice Awards.
At the 31st Annual American Music Awards.
At Z100's Jingle Ball.
At an event for Dukes of Hazzard.
At the MTV VMA's.
An EPIC pair of mom jeans.
(She's pregnant from here on, for those who don't keep up with the life and times of J-Simps)