Robbie Williams is unsure if Take That should reunite and has suggested the boyband takes their reunion slowly.

The 40-year-old popstar fears upsetting Gary Barlow by saying a definite no to Take That reuniting once again so he has agreed, despite wanting to spend more time on his solo career. 

A source revealed: ''Robbie isn't against the idea, although he doesn't really have time this year to commit to Take That, although they have collaborated on compositions.

''He also doesn't want to upset Gary, given that they patched up their differences and are as close as ever.''

The Let Me Entertain You singer - who reunited with his former band in 2010 for their sixth album Progress – has suggested that he, along with Barlow, Mark Owen, Howard Donald and Jason Orange start by recording new material and wait to see how that goes before agreeing to a world tour in 2015.

Here's a little blast from Take That's past: 

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