Olly Murs in Twitter spat with Chanelle Hayes over The Voice judging skills

Olly Murs has hit back at former Big Brother contestant Chanelle Hayes for criticising his role as a judge on \'The Voice\'.

Reality star Chanelle, 30, kicked off the Twitter spat when she slammed former \'X Factor\' runner-up Olly\'s judging credentials on the ITV talent show.

Channelle tweeted: "How is Olly Murs a judge on a talent show though?? One of the most annoying people on the planet, can\'t even sing himself?? How is he so liked??????? (sic)"

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The \'Troublemaker\' hitmaker hit back with a dig at Chanelle\'s celebrity status.

Olly, 33, tweeted: "Can someone please tell me who this lady is??! but honestly thanks for watching #TheVoiceUK we love your support. (sic)"

Chanelle hit back: "anytime Olly (sic)"

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She then revealed that Olly\'s fans had leapt to his defence and attacked her on social media, but she took it in her stride, and joked: "omg the Olly crew are out Sozzzzz not soz

"Wow people are really weird. #scaryobsessed (sic)"

Olly - who was appeared on \'The X Factor\' in 2009 and went on to present \'The Xtra Factor\' from 2011 until 2013 - has joined returning panellists Jennifer Hudson, Sir Tom Jones and will.i.am on the singing talent show, and has previously confessed he was "nervous" about taking on the role of judge.

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He admitted: "You know, I practised at home. I put on last year\'s show and sat with my back to it and spun around when I liked someone."

Chanelle appeared in reality show \'Big Brother\' in 2007 and went on to attempt to launch a pop career. She was also a judge on VH1 UK show, \'Wannabe\' which sought girls to star in a new girlband.

Olly recently revealed he once auditioned for \'Big Brother\' but was rejected.