Britney Spears' mother, Lynne Spears, is contesting the legal attorney fees the singer's father, Jamie Spears, is requesting amid her ongoing conservatorship battle.In new court documents obtained by ET, Lynne (who is an «interested party» in the case) is objecting to Jamie's petition for approval and payment of over $890,000 to him and his attorneys (Holland & Knight, aka H&K), as well as related fees and expenses charged to the estate.