United Kingdom, Feb. 26 -- Olivia Munn was initially reluctant to share news of her cancer diagnosis.

The 44-year-old actress was diagnosed with breast cancer in 2023, but Olivia initially told husband John Mulaney that she wanted to keep the news under wraps.

The Hollywood star told 'Extra': "When I first got the diagnosis, I told John I don't want to tell anybody.

"I was just like, 'Lock it down. I don't want to say anything to anybody,' and it's not because I was ashamed or embarrassed or anything like that. It's because I just had this massive mountain in front of me that I had to climb, and I just didn't want to deal with people in my life who would be worried about me . I'm like, 'Wow, I just can't deal with phone calls and text ...