Last year it emerged that Lauren had discovered she was pregnant while still married to David Silverman, a close friend of Simon’s.
“You have to deal with it and man up to it. You have to accept the responsibility and the criticism.
“But then of course you have a baby and you look at the baby and you kinda go ‘this is what happened from it’.”
He said: “My life has changed, but I am probably more focused on what I am doing now than I was a year ago. Maybe because it puts things in perspective having two people in my life who I am responsible for.
“It is a weird existence when you live on your own. On the phone all night, blah blah blah. Now the house is full of people, it has become a home rather than a house.”
The music mogul also admitted he wouldn’t say no to having another baby in the future.
You can catch Simon judging on the new series of ‘Britain’s Got Talent’, which kicks off this Saturday at 7.15pm on ITV.