Reports say that Britney and Jamie Lynn Spears' mom treat them like a "piggy bank." Sources reveal that Lynne has forced Jamie Lynn to announce her pregnancy through OK! Magazine as the publication offered to pay the highest for the story.

"Lynne treats her girls like a piggy bank. Lynne knew OK! would pay the most. It was her decision," a source says.

Jamie Lynn's Zoey 101 costar, Alexa Nikolas, reveals the actress never wanted to become an star, but her mom pressured her to do it.

"Jamie wanted something different fo rher life, and her mom put her in situations she didn't want to be in," Nikolas says.

Another source adds, "Lynne got all her money through those girls and loved it when it started rolling in. She's the only one with a Land Rover in Kentwood."

On another note, the paternity of her 16-year-old youngest daughter's unborn child is being questioned. She revealed longtime boyfriend Casey Aldridge is the father, but reports are now surfacing that she had an affair with an older man on the set of her Disney show.