'X Factor' presenter Dermot O'Leary has spoken about his Irish roots, saying that he is "really proud" to have an Irish passport.

Speaking on 'Tonight with Craig Doyle', the television star also revealed that his full name is Seán Dermot Fintan O'Leary.

He said: “It’s the classic Irish thing, your parents christen you one thing and then call you another”

“I cheer for Ireland, I have an Irish passport, I’m really proud of being Irish.”

Watch the full interview on 'Tonight with Craig Doyle' this evening on RTÉ One at 9.40pm.

For a full list of tonight's guests click here.