Britney Spears singing Toxic with no autotune has leaked on YouTube

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One of Britney Spears’ biggest hits has been leaked – with no auto tune.

An original recording of Toxic, which Spears released in 2004, has made its way onto YouTube.

The new leak has no editing or voice enhancement, meaning it’s a rare glimpse of Britney’s real voice.

Britney Spears singing Toxic with no autotune has leaked on YouTube

The American popstar rose to fame 20 years ago, but has become notorious for rumours she can’t really sing.

Leaks of Britney original recordings have emerged in the past, and they haven’t been flattering.

But this new, original recording of Toxic seems to buck the trend.

The 2004 demo for the single, which became one of her biggest hits, suggests that, actually, Britney can sing.

Watch the full unedited recording below:

The leak comes after Britney announced a new world tour.

The performer revealed she is to finish her residency in Las Vegas to embark on the tour.

The 35-year-old is to leave her show in Sin City on the final day of 2017.

Her publicist, Jeff Raymond, confirmed that the show’s current run until December 31st will be its final run.

But there could still be some future for Britney’s Las Vegas show – with her manager Larry Rudolph recently discussing how the show could continue “conceivably anywhere”.

Speaking to the Las Vegas Review-Journal, Larry said: “We are done with this show, and our next move is undecided.

“We are still talking with Caesars Entertainment and other interested parties in Las Vegas.

“Anything is possible. We have made zero decisions.

“We expect a lot of interest from all parties. Britney basically sells out every show, and she loves Las Vegas, she loves performing in Vegas, and Vegas is a possibility going forward.”