They were costars on the romantic, early '70s sitcom Bridget Loves Birney, man and wife from 1974 to 1989, and they had three children together.
But Baxter, 63, who came out as a lesbian in 2009, says her relationship with Birney, 71, was far stormier than it appeared.
More:Meredith Baxter Birney Meredith Baxter Memoir Family Ties Bridget Loves Birney Meredith Baxter
HuffPost Entertainment is your one-stop shop for celebrity news, hilarious late-night bits, industry and awards coverage and more — sent right to your inbox six days a week. Learn more