SINGER Robbie Williams returned home last night after finishing a 21-day drugs rehab.
Robbie, 33, who was battling an addiction to prescription drugs, will continue to get counselling at his home in Los Angeles, his spokeswoman said.
He had been so desperate to get privacy for his cure that he had kept his location secret.
While it was believed he was in the Meadows centre, where model Kate Moss was treated for her cocaine habit, he is now understood to have been in the Cottonwood de Tucson clinic, also in Arizona.
Cottonwood is in a very secluded location in the desert.
His spokeswoman, Bryony Watts, confirmed: "Robbie Williams has completed treatment in Arizona and continues an after-care programme in LA."
It is understood Robbie was popping a cocktail of prescription anxiety and sleeping pills, including powerful Vicodin and Xanax, before he admitted himself to rehab.
Last night, he was relaxing at his mansion in the Hollywood Hills.
And friends revealed he had kept occupied in rehab by swotting up on trivia, reading quiz books and looking up amazing facts online.
One pal said counsellors at the clinic told Robbie, who enjoys games nights with friends, that keeping his mind active was the best way to combat his problems.
The friend added: "Everyone is now glad Rob is out of rehab and finally able to get on with his life."
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