United Kingdom, April 8 -- Michelle Pfeiffer says motherhood is profoundly humbling and has delivered the greatest ego-check of her life.

The Scarface actress has two children with television writer-and-producer David E. Kelley, Claudia, 32, and John Henry, 31. Michelle and David tied the knot in 1993, after having met on a blind date earlier that same year, and have remained in a happy marriage for more than 30 years ever since.

Despite a long career in the spotlight, Michelle feels deeply grounded crediting motherhood for providing her with a sense of stability.

In an interview with the UK issue OK! Magazine, she said: "Since I became a mom, I found balance in my life. Being an actor, when you're forced to be introspective all the ti...