A lawyer for Britney Spears says she has requested to speak directly about her conservatorship in court.

Axar.az reports that the singer's father, Jamie Spears, was granted control over her personal and business affairs in a court-ordered conservatorship in 2008.

The order was originally granted after the star was hospitalised amid concerns over her mental health.

A documentary released earlier this year has sparked renewed scrutiny over the arrangement.

"My client has requested a hearing at which she can address the court directly," Samuel Ingham told the court on Tuesday, adding that his client had "asked that it be done on an expedited basis".

The judge set a hearing date for 23 June.

It is unclear if Spears will appear in person and, if she does, what she will say.

The singer has previously indicated through lawyers that she no longer wants her father to oversee her personal affairs.