"He is a beautiful boy and I was a bit worried about whether it would cloud my judgment over whether the song was good or not."

Yeah...we can see where you're coming from!

She says, "that was over" as soon as the two met.

But continued to gush:

"He is so cool, such a nice guy, and I think we have a lot in common as we are both quite focused people."

Lewis says one thing they couldn't agree on was who would get to use the track 'Don't Let Me Down' on their next album. 

"He was like: 'If you don't take it I'm having it for my album.' And I was like: 'No you're not, it's mine.'"