The 'Live While We're Young' group, who were themselves formed on the ITV reality show in 2010, revealed that they are fans of Louis Walsh's acts.
© WENN
"The boybands are really good," One Direction's Harry Styles told Heatworld. "I think its good that there are two boybands because a lot of the time I don't really think they want to put two of them through.
"I think they are both really great and talented and they showed that [on The X Factor]."
© Ken McKay/Thames/Rex Features
© Ken McKay/Thames/Rex Features
Styles's bandmate Louis Tomlinson agreed, describing Union J and District3 as "such nice guys as well".
It has been reported that Styles recently gave Union J member George Shelley tips on how to be "a hit with the ladies".
Photo gallery - The X Factor's second Live Show in pictures:
Copyright: Ken McKay/Thames/Rex Features
