Raising four identical boys in one house was a big job for the quadruplets' parents. "We had nannies growing up," Keith says. "Our mom was a housewife, and our dad had to work.... But [our mom] did have a lot of help because I think taking us out and getting us to events and auditions was so much.:
Kevin says he and his brothers are all aware of how lucky they've been.
"We feel grateful that we had both of our parents," he says. "A lot of our friends don't have both of their parents in their lives, and I think a major contribution to our success thus far in life has come from the fact that we have a father and a mother."