Spelling, 40, visited Maggiano's Italian Restaurant in Los Angeles on Jan. 4, 2014 with her children, Liam, 6, Stella, 5, Hattie, 2, Finn, 16 months, her friend Mehran Farhat and the family's nanny.
McDermott, 47, cheated on Spelling with 28-year-old Emily Goodhand, a woman he met through friends in Toronto.
"He told me he and Tori had a sexless marriage," Goodhand, who stayed over at his hotel the following night too, told Us Weekly in the Jan. 6 issue. "I believed him."
In Us Weekly's Jan. 17 issue, a source said the mother of four was "devastated" to learn of her husband's affair. "Tori went nuts and has been saying she may leave him."
Spelling hasn't spoken out about the betrayal, and on New Year's day, she posted a picture with her husband holding up the sign, "Happy New Years [heart] The McDermotts," on her website, ediTORIal.