Some of the men she has been with have been less than discreet, so rumors spread that if you are looking for a good time call Jessica." but Jess, 26, has exactly kept mum either! Who wouldn't think twice about becoming involved with pop star after her camp told the press she was dating John Mayer, only to retract it days later! To make matters worse, says the source, "Everyone knows that she ripped Nick's heart out, and no man wants to be next on her hit list. Now she feels like she's the kiss of death."

Ashlee has been in several relationships that have left her disappointed. She had high hopes for her relationship with Ryan Cabrera, whom she dated in 2004, she now sees that Ryan was using her for publicity. Ashlee also had a fling with Wilmer Valderama- he blabbed to everyone about their romance.

Last month, after, she and Braxton split, she was spotted kissing rocker Pete Wentz. But he publicly denied they're an item. Ashlee "is realizing happiness won't come from changing her looks," the source says. Much of the blame may fall on Joe Simpson. "Her scares men off,' a source says. "No guy wants to be with a girl that can't stand up to her father." Ashlee may be starting to break free of Joe, but Jessica ais far from it. "If Ken (Paves) was straight, joe would have fired him a long time ago, since he wants to be the only man in Jessica's life,." So far, he's getting his way!

In other news, Jessica Simpson reportedly cried when she watched her little siste Ashlee's debut West End performance in 'Chicago'.

Jess told Radio 1’s Newsbeat: "I was weeping. I was so proud. I couldn't be more proud of her. My face is swollen, I have butterflies, and she pulled it off perfectly."