Pamela Anderson wrote Britney Spears to thank her for speaking out.

Pamela Anderson, 55, wrote a private letter to Britney Spears, 41.

Anderson referred to the struggles both she and Britney have faced over the years.

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Britney praised Anderson and her sons in an Instagram post.

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Anderson has recently released a memoir and a documentary about her life.

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Britney expressed her admiration for Anderson and her children's support in her now-deleted post.

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Britney talked about her past and the difficulties she's been through.

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Britney revealed that she's been through a 13-year conservatorship run by her father.

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Britney discussed the recent documentaries about her life and said that they were extremely embarrassing.

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Britney suggested that the documentaries felt "semi-illegal".

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