Showbiz
The 'SexyBack' singer is also said to have banned cigarettes from his backstage area because he wants the tour to be as "organic as possible".
A source told More: "Of course everyone’s going to say it’s a way of setting an example to Britney. But in truth, no one knows why he’s doing it, except Justin."
The UK leg of Timberlake's FutureSex/LoveShow tour begins on April 27 at Sheffield's Hallam FM Arena.
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