Holt, 33, also took to Instagram to announce the news of her pregnancy to her followers.
White and Timlin are parents to two young daughters – 4-year-old Ezer Billie and 2-year-old Dolores Wild.
The late star’s family told ABC News that she had passed away after a short battle with cancer.
His estranged wife moved from Los Angeles to Florida with their toddler.
The pair welcomed daughter Janie in April 2020, less than a year after they tied the knot.
Kaley Cuoco is paying tribute to her infant daughter – with some bling!