Britney Spears' fans once again speculated that the superstar was not behind one of her personal Instagram posts.After the post went up on Thursday, the 39-year-old Toxic singer's fans voiced their suspicions on the Internet that Britney's social media manager Cassie Petrey had created it.However, sources told TMZ on Saturday that the rumors were 'complete nonsense.' Conspiracy theories: Britney Spears' fans once again speculated that the superstar was not behind one of her personal Instagram postsThe post featured a photo of a little girl facing away from the camera as she walked in the woods, along with a quote by Alfred Einstein that read, 'If you want your children to be intelligent, read them fairy tales.
