Ryan Tubridy has revealed that he was impressed by 'The X Factor's' Katie Waissel.
The TV and radio host met the singer when the 'X Factor' tour came to Dublin's O2 arena.
Tubridy posted on his Twitter page: "Do you know who was the nicest and most engaging of them all? Katie. She was a sweetheart, really pleasant and fun."
He also posted and picture of himself and Waissel on Twitter.
Tubridy added that Dublin star Mary Byrne was "lovely".