Amanda Bynes' Former 'All That' Costars Planning To Support Her Amid Upcoming Conservatorship Hearing

Amanda Bynes is gearing up for her next conservatorship hearing, and her former costars are apparently rallying behind her to show their support.

As the troubled actress, 35, prepares for her upcoming hearing on Tuesday, March 22, after filing to end her conservatorship earlier this year, her former All That castmate Leon Frierson reportedly insisted he will be present at the courthouse to offer some moral support.

In addition, Christy Knowings — who also starred on the comedy series — is backing her pal, even though she can't be there in person. "If it were me I would want people to support me," Knowings told TMZ. "Amanda's a very different person today from who she was back then, as we all are."

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While Knowings revealed to the outlet that she and Frierson haven't spoken to the She's the Man actress in years, they still genuinely care about her as a person. "I know Amanda's a sweet person and loved working with her," Knowings insisted.

Bynes' attorney, David A. Esquibias, also spoke to the publication, stating that "Amanda appreciates the love and support from her fellow cast members."

As OK! reported, the former child star officially filed to end her conservatorship in February after nine years under the legal control of her mother, Lynn Bynes.

Following the start of her conservatorship in 2013, Bynes was hospitalized for an involuntary psychiatric hold when she was 27 years old after she allegedly started a small fire in a stranger's driveway. She later revealed in 2014 that she was "diagnosed bi-polar and manic depressive," following a series of public episodes.

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The What a Girl Wants star was then in and out of mental health facilities for years while battling addiction and substance abuse, with her legal team now insisting she has been "putting in the work" to maintain a healthier lifestyle.

"She believes her condition is improved and protection of the court is no longer necessary," her attorney said in a statement last month, as OK! learned.

Meanwhile, Bynes has been doing everything she can to prepare for the hearing, including getting her face tattoos removed, which she detailed via Instagram earlier this month.