Alex said: “Charlie is adamant that for the sake of the planet, two children is enough.”
She added: “And I think I’m too old to have another child now, anyway. It happens for a lot of people and good for them, but we’re just glad we have two healthy children.”
After the birth of her first son, Alex told the Mirror that her relationship with and her husband was strengthened.
She told the publication: “You become a team, and it strengthens your relationship.