The Walk the Lin actress – who has kids Ava (12) and Deacon (8), with ex-husband Ryan Phillippe – is very protective of her offspring and does not want personal information revealed on the internet.
She said: “When you have kids, you get very protective. I think about what the internet is and the repercussions of that expanse of people having your personal information.
“I get very protective of my own kids in that capacity. They’re not on any of it.”
Despite her strict stance, Reese – who is now married to Hollywood agent Jim Toth – admits she has a good relationship with her youngsters.
She said: “I actually have a great relationship with my daughter, and it’s exciting to see her grow up. She’s a wonderful young lady.”