United Kingdom, May 30 -- Zoe Saldana is refusing to give smart phones to her 10-year-old twins.

The Hollywood actress is mother to 10-year-old sons Cy and Bowie - as well as their younger brother Zen, eight - with her husband Marco Perego and she's revealed the elder boys have been pestering her for smart phones but she's refusing to give in to their demands.

Zoe told The Hollywood Reporter: "The phone has become a conversation with the 10-year-olds right now.

"And we're okay with repeating the big sermon: 'You will have it eventually, but right now, everything that you may need that comes from a phone, we can provide'.

"My kids right now, they're going through a period where, yes, they'll talk about it, but when we do give them the ...