British singer Adele has been the subject of bullying remarks by Lady Gaga fans. And they have taken to social networking sites to attack soul singer Adele.

The two women are up for the most coveted title in the music industry - to become the bestselling artist in the world.

But it seems the Londoner has overtaken the American pop singer and has officially sold one in 10 records this year.

Lady Gaga's supporters, known as "little monsters" now seem to be living up to their name by making catty jibes about Adele's weight.

Mock up videos of Adele have also been made with a fake singer belting out "I'm bootyful in my own way because Arby's (an American restaurant) makes nooo mistakes, I've got the right order, baby, I was born this weight."

The bullying intensified after Adele was forced to cancel some recent concerts after having an operation on her vocal chords.

Lady Gaga's fans used the opportunity to say the singer could not sell enough tickets so had to cancel instead. Both women usually sing to sell-out audiences.

An executive at Lady Gaga's record label said: "Lady Gaga does not approve of bullying anyone for their physical appearance, it goes against everything she stands for. A tiny handful of fans may be letting her down."

Adele's album 21 is still in America's top five after 37 weeks on the billboard chart. More than 10 million copies of the album have been sold worldwide.

Lady Gaga's album Born This Way has slipped out of the Top 40 after only 24 weeks.

A spokesperson for Lady Gaga says bullying goes against everything the pop star stands for.