Songwriter Linda Perry has claimed that Lady Gaga isn't deserving of having an Oscar nomination.

The singer's track 'Til It Happens To You' is up for the Best Original Song prize at February's ceremony.

However, Perry took to Twitter to suggest that Gaga's input on the song was minimal.

She suggested that songwriter Diane Warren is the person who deserves the credit.

The song features on the documentary film The Hunting Ground, with Gaga down as co-writing and producing the tune.

Perry wrote: "Normally I wouldn't respond to all this but I don't know Im feeling spunky. There was another artist that originally was gonna sing #TIHTY.

"I have Diane's original demo with her singing. The only line that has been changed 'Till you're at the end, the end of your rope'.

"Originally was 'TIL YOU GOT A HOLE RIPPED IN YOUR SOUL'. So I guess technically one line was changed so sure Gaga possibly "'ewrote' a line. 

"But chances are Diane still took part in rewriting that line which means Gaga contributed a few words. Is that writing? Not in my book.

"I love Gaga so much respect and love this song that has nothing to do with anything. Why did Gaga get credit? Maybe because Diane wanted to ensure her support in promoting the song. Gaga is a very smart business women she knew a song written by Diane Warren would be up for an Oscar.

"And you know it's hard getting music out there and heard. Especially a song from a documentary, so Diane knew If she gave Gaga writing credit it would ensure the support this song needed and deserved. And Gaga knows her power. I'm not putting anyone or anything down. I'm stating the truth. I credit Diane for writing this song, it is her experience her pain her words. That's it kids."

She added: "Listen, one of you Gaga kids got upset when I said Diane wrote a great song. You can't win on Twitter. I'm stating why I didn't include.

"There's no bitterness, I've stated Gaga killed this song so powerful so blown away by her performance.

"Don't turn things negative. I'm stating my truth that's it if you don't like it, it's ok just don't spend anytime here.

"Breathe everything is ok! Interesting what we react to. We could learn a lot about ourselves by just observing our reaction to things."

Gaga called Perry one of the "most powerful female songwriters in the pop industry today" after the pair performed each others' tracks at the Songwriters Hall of Fame induction ceremony in New York in June.

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Watch the video for the song below: