Los Angeles, California – The #FreeBritney movement suffered a minor setback Monday after the Los Angeles Superior Court rejected Britney Spears' request to expedite a forthcoming hearing related to her controversial conservatorship.

According to a court order obtained by the Los Angeles Times, Judge Brenda Penny has denied without prejudice the pop musician's plea to reschedule a hearing regarding the suspension and removal of her father as a conservator of her estate.

Via her newly appointed attorney, Mathew Rosengart, the Circus singer petitioned last week to bump the pivotal court date up to late August.

As of Monday, the hearing remains slated for September 29.

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"Every day that passes is another day of avoidable harm and prejudice to Ms. Spears and the Estate," Rosengart's August 6 petition stated.

"Ms. Spears's emotional health and well-being must be, and are, the paramount concern. Further, all interested parties forcefully agree that Mr. Spears' continued presence as Conservator of the Estate is contrary to Ms. Spears' best interests, health, and well-being, and that his prompt removal – or, at the very least, his immediate suspension – is 'critical' at this juncture."

Britney Spears' father, Jamie Spears, has long occupied a key role in her conservatorship, which has significantly restricted her financial, personal, and medical autonomy for 13 years.

In June, the ... Baby One More Time hitmaker astonished LA's Stanley Mosk Courthouse with bombshell testimony demanding the immediate termination of her "abusive" conservatorship. During her speech, Britney claimed that her father "loved every minute of" the power he had "to hurt his own daughter 100,000%."

"Keeping the conservatorship going and also keeping my dad in the loop made me feel like I was dead, like I didn't matter, like nothing had been done to me – like you thought I was lying or something," she said while addressing the court in June.

"I'm telling you again, because I'm not lying. I want to feel heard. And I'm telling you this again so maybe you can understand the depth and the degree of the damage that they did to me back then. I want changes. ... I deserve changes."

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In July – after the LA court granted the pop musician's wish to choose her own lawyer – Rosengart's first order of business was to move "aggressively and expeditiously" to boot Jamie Spears from the conservatorship.

Making good on his promise, Rosengart swiftly urged Jamie Spears to step down and surrender his conservatorship privileges to Jason Rubin, deemed by Team Britney to be an acceptable temporary conservator.

"Any father who genuinely loves his daughter and has her best interests at heart should willingly step aside in favor of the highly respected professional fiduciary nominated here," read Rosengart's initial petition.

"In fact, if Mr. Spears were to oppose this outcome on the grounds previously suggested, his opposition would reveal his true priorities."