The model-turned-broadcaster (27) has been dating 98FM's Dara Quilty for the past four years, but she told the Herald the couple aren't ready to take the next step in their relationship.
"We've no plans (to wed). I still think I'm 21 in my head and he still thinks he's 16," she said.
"We're not ready for any of that stuff, I'm a complete commitment-phobe. We've still yet to move in with each other."
While they have no plans to tie the knot, Daniella said they are both happy in the relationship.
"We both work at opposite ends of the day and whatever we've done together has obviously been working if we've been together for this long. We're in no rush," the breakfast show host said.
Speaking at the Aer Lingus Seat Dash yesterday, the Spin 1038 star also admitted that along with being afraid of commitment, she's terrified by the prospect of turning 30.
"I never thought I would be 27 let alone 30. It still feels like miles away even though it's only three years," the Kildare native said.
"I have stuff booked in a year ahead and I'm thinking to myself 'oh my God, I'm going to be 28 then'."