Singer-actress Katharine McPhee and Michael Morris, a director on her former show Smash, are together, despite both being married to other people.
Michael Morris is married to actress Mary McCormack (The West Wing, In Plain Sight) and the duo has three young daughters together, ages 2, 6 and 9.
Katharine McPhee is married to producer Nick Cokas, 47, and has no kids. She had Nick, who wed in 2008, are separated and have been living apart.
It's unclear where Michael's relationship with Mary stands, but since he was kissing Katharine in broad daylight in L.A. the other day, it can't be great.
None of the parties involved have commented on the relationship.