FILE - Britney Spears arrives at the 29th annual GLAAD Media Awards on April 12, 2018, in Beverly Hills, Calif. Spears has asked to address the court to talk about the conservatorship that controls her life and finances. A Los Angeles judge on Tuesday, April 27, 2021, set a June hearing to hear from Spears. (Photo by Chris Pizzello/Invision/AP, File)
Britney Spears has labelled the spate of documentaries about her life 'so hypocritical'. AP 

New BBC documentary reveals Britney Spears's father allegedly claimed the star has dementia