BACKGRID: Play video contentBritney Spears' mother is keeping quiet about Britney, which is surprising considering that she spoke a lot about Britney's father in new legal documents.Lynne Spears and Britney's brother Bryan were at LAX Sunday, but neither spoke much about the ongoing "Free Britney!" saga.Lynne did not seem to mind muttering about her daughter's well-being, but she wanted to keep her thoughts private. But we all know exactly where she stands regarding Jamie.According to new legal documents, obtained by TMZ... Lynne states that she supports Britney’s petition to remove her dad as conservator of her estate.Lynne claims she was involved in the conservatorship in May 2019, during a time of crisis. She clearly blames Jamie for this, claiming he had "absolute command" over Britney’s money and other health decisions.Lynne says Jamie hired a doctor for Britney's treatment. However, she and others believe that the doctor was prescribing Britney "inappropriate medicine" and forcing her to go to a facility.According to Lynne, Britney's relationship with her father has "dwindled" to nothing except fear and hatred of Jamie.It's worth noting that Britney is said to be unable to stand her mom and has been estranged from her mother for many years. Britney also blames Lynne in her current situation.