Thursday 11th April 2013 by Ashley Clements | Photos by WENN.com

American Singer songwriter Demi Lovato had a moment to forget during her Good Morning America performance recently as she got her lyrics mixed up whilst singing new single 'Heart Attack'.

The X Factor USA judge accidently sang the second verse instead of the first which meant she had to sing the same section of the song twice.

Luckily for Lovato, the mix-up wasn't the easiest of errors to spot unless you're a huge fan of the song and the singer managed to continue with her performance seemingly unfazed.

'Heart Attack' will be available to download in the UK from April 28, 2013 and has been taken from her forthcoming album Demi which is set for release on May 14.

Watch Demi Lovato's performance below:

Lovato revealed recently that she had teamed up with British X Factor star Cher Lloyd for her fourth studio album as the pair met when Lloyd performed on the X Factor USA last year.

Lloyd features on the track 'Really Don't Care' and she encouraged her Twitter followers to pre-order the album by saying, "Brats!! My friend @ddlovato's new album is available for preorder... It features a song we did together!" 

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