Jay Leno is a household name thanks to his big break on NBC's "The Tonight Show." And through it all, he has had his wife by his side. Jay married Mavis Leno in 1980 after four years of dating. For decades, they were a solid duo, riding on the success of Jay's lucrative career while Mavis fervently advocated for women's rights. Jay and Mavis never had kids and seemed content with their freedom to travel or focus on work. However, everything changed in 2024 when Mavis was diagnosed with dementia . Her diagnosis led to a dynamic shift in her and Jay's marriage.

In January 2024, the former talk show host filed for conservatorship of his wife's estate — which he was granted three months later — after they discovered that Mavis had advanced dementia. In the filing, obtained by Today ,

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