JLS are said to be furious with their management agency, over the difference in treatment of them and fellow X Factor stars One Direction.

Oritsé Williams, Marvin Humes, JB Gill and Aston Merrygold came second in the 2008 series of the X Factor and took the UK charts by storm with their albums and singles in the years that followed.

Last year they tried to crack America, however were largely unsuccessful. They now seem to be placing some of the blame for that flop at the dorr of Modest Management, the company that manages them and younger boyband One Direction.

1D caused a huge stir in America this year, when their debut single ‘What Makes You Beautiful’ became the first debut track by a British band to top the Billboard Top 100 and Niall Horan, Zayn Malik, Harry Styles, Liam Payne and Louis Tomlinson went on to sell out a whole arena tour in a matter of minutes.

An insider told The Sun that while the boys of JLS like One Direction and have no problem with the lads, they are cross that their management agency didn’t promote them in the same way.

They said:

“The lads have no issue at all with the One Direction boys. They just wish they had the same backing when they were ready to crack America.”

In 2010, JLS signed an American record deal with Jive Records, and released “Everybody in Love” as their debut U.S. single, however it did not chart.

Insiders say they still want to give it another shot and one said:

“They have a lot of tough calls to make over the next few months and after this album campaign.’

One Direction will soon return to America, for their summer tour which starts at the end of this month. Harry Styles is already in LA for some work projects and was met at the airport yesterday by a mystery blonde….