She spoke fast and sprinkled profanity into the written speech that lasted more than 20 minutes as her parents, fans and journalists listed to an audio livestream.
Her court-appointed attorney, Samuel Ingham III, said he made no attempt to “control, or filter, or edit” his client’s words.
Spears said she had done research that showed her conservatorship could be ended without further evaluation of her.
Her father and his attorneys have emphasized that she and her fortune, which court records put at more than $50 million, remain vulnerable to fraud and manipulation.