1D's Liam 'Almost Quit Singing After Awful Gig'
Star had been asked to fill in for Blue's Lee Ryan at a festival...
He stated: "The only thing that's bad for me about them is actually they were really nice to our faces, but when it came to talking to the media they were really trashy about us.
"We'd never done anything wrong, we were just running around doing our thing. We'd never purposely talk trash about anyone and we still haven't said anything about them now."