The singer insisted that the teen performer has the ability to leave the group and embark on a hugely successful solo career and should step into his place as he ages and moves on.

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"I remember being 21, seeing George Michael, who's ten years older, and thinking, 'There's a vacancy there'," Williams told Metro.
"So there must be a Harry Styles looking at me, going, 'He's over the hill now'."
The former Take That star confessed that he is "obsessed" with being successful and that his recent stint with his old bandmates gave him the confidence to return with a stronger solo project.

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"I'm obsessed... with pop music, being a pop star, being successful, not being a has-been," he said.
"A lot of things happened with the boys. The most amazing thing was that we sorted out the past," he added.
"Also, I had 27 minutes to myself in a stadium, where I remembered how to do it. That was the big shot in the arm."
Robbie Williams's new single 'Candy' is available to download now, while his upcoming album Take the Crown follows on November 5.
Watch the music video for Robbie Williams's 'Candy' below:








