Olivia Munn Welcomes Second Child with John Mulaney Despite Cancer Diagnosis

Olivia Munn and John Mulaney officially have double trouble in their home ...

welcoming kid #2 earlier this month via surrogate -- this months after she revealed she had breast cancer. Munn shared the news to Instagram Sunday ..



. posting several pics of herself and Mulaney with their newborn -- Méi June Mulaney , a girl, born Saturday, September 14. OM explains the two used a surrogate .

.. adding she had very strong feelings about not carrying her own baby this time around -- but, their surrogate showed her grace and helped her put her mind at ease.

Munn ends her post by sharing her daughter's cute nickname -- "Plum" -- 'cause that's what Méi means in Chinese. John and Olivia welcomed their first kiddo -- Malcolm -- back in 2022 ..

. months after Mulaney divorced his wife and finished a stint in rehab for cocaine addiction. They lived happily together since .

.. though back in March, Olivia revealed she's suffering from breast cancer -- which she was first diagnosed with in 2023.

She's already undergone a double mastectomy and several other surgeries -- including a hysterectomy, hence needing a surrogate to carry the child. Olivia and John officially tied the knot back in July, legally cementing their family ..

. and, it looks like they're adding to it here. Congrats you two!.