The former "Vanderpump Rules" star writes about the affair in her upcoming memoir, “My Good Side,” out July 22.

Vanderpump Rules' Scheana Shay revealed why she thought husband Brock Davies cheating on her felt like payback for her own past affair with Eddie Cibrian and shared an update on their marriage.

Scheana Shay said she held off on detailing some of her life's most shocking moments—including husband Brock Davies' affair—until writing her memoir My Good Side due to fear.