While Britney Spears tiptoes closer to being released from her controversial 13-year conservatorship, a judge has ruled that another celebrity will need to stay in hers for a little while longer.

The Blast reports that Amanda Bynes, 35, who was placed in a conservatorship in 2013 following her mental health struggles, will remain under her legal arrangement until 2023.  The extension was triggered by a recent brief stay at a psychiatric facility for undisclosed reasons.

The Blast obtained copies of the legal documents filed earlier this week, in which a judge ruled that the Nickelodeon star will remain under supervision for a few more years.

Details about Amanda's conservatorship -- including treatment plans and restrictions -- have been sealed.  She also did not appear in court when the documents were filed.

Bynes' conservatorship was enacted over seven years ago following a string of high-profile run-ins with the law and controversial interactions with other celebrities on Twitter. She was later diagnosed with bipolar disorder, went to rehab, and her finances and other dealings placed under the care of a conservatorship started by her parents.

Currently, Bynes is working on obtaining a bachelor's degree from the Fashion Institute of Design and Merchandising in Los Angeles. She is also engaged to boyfriend Paul Michael, but no wedding date has been disclosed.

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