The 'Ghost' singer - who shot to fame when she competed on UK TV talent show 'The X Factor' in 2012 - is having a ''priceless'' experience on the road with the veteran pop stars and gets along very well with them.
She said: ''They invited me on tour, which is surreal. I knew Gary [Barlow] from 'The X Factor' and Mark Owen and I did some writing together.
''They're northern, I'm northern and we get along. The experience is priceless.''
She told LOOK magazine: ''Ryan told me to enjoy every second of it because coming into this industry, you can forget to enjoy it.
''He always asks me if I'm happy whenever I see him...
''Simon texts me, he's always involved when there are serious decisions or I need advice or something.''
Meanwhile, the 'Mirror Man' singer is shocked her ''big brother'' Dermot O'Leary is leaving his job as host of 'The X Factor'.
She said: ''I was with Dermot the other day as I was performing on Radio 2.
''He was like a big brother to me when I was on the show, so I can't believe he's leaving.''
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