United Kingdom, Jan. 30 -- Lisa Ann Walter hasn't celebrated Valentine's Day since she discovered her ex-husband was cheating on her.

The 61-year-old actress has Spencer and Simon, both 24, with her former husband - whose name she has never revealed publicly - but admitted that she ended up "crawling back" to him for a period of time despite his infidelity because she ended up pregnant with her twins.

Speaking on 'Sherri', she explained: "I don't have a [Valentine's] this year. Remember the twins' dad? So, when we first got back together...we broke up for a little bit because I knew he was cheating, so I went away. And then we got back together because my dad died and he snatched me back up again.

"On Valentine's Day, we got together. ...