Jessica Simpson asked by mother to keep a vigil on Ashlee

Jessica Simpson's mother has asked her to keep an eye on younger sister Ashlee.
Ashlee, 28, known for her hard partying lifestyle, is trying to alter her habits in recent weeks with the help of her family, reported Radoronline.
"Tina's asked Jessica to look out for Ashlee and make sure she doesn't start partying too hard once again. With Jessica focusing on her second pregnancy, she's a calming influence on Ashlee because she doesn't want to go out on the town.
"Instead, she prefers family nights in relaxing and has encouraged Ashlee to join them when they are all together, which she has been doing," a source said.

"However, Tina has told Jessica to keep an eye on the situation, just like she is, to see if Ashlee falls back into her bad old ways again, only time will tell," the source added.