Michelle Williams and Thomas Kail's relationship got off to an unconventional start — but the duo are still going strong. During filming, Williams was married to musician Phil Elverum, from whom she split in April 2019.

Michelle Williams and her husband, director Thomas Kail, have quietly built their life together offscreen after meeting on the set of Fosse/Verdon. They married in 2020 and now have three children together. In early April 2025, People revealed they had welcomed their youngest child six weeks before via surrogate.

The “Dying for Sex” star is also the mother of 19-year-old daughter Matilda, whom Williams welcomed with Heath Ledger prior to the actor’s death.