Robbie Williams felt isolated and struggled with depression

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Los Angeles: Singer-songwriter Robbie Williams spent the summer feeling "isolated" and struggling to connect with people because of depression.

The 42-year-old, who has children Teddy, four, and Charlton, two, with wife Ayda Field, spent months feeling "isolated" earlier this year after being gripped by depression, but is thankful that his "demons are quiet" now after doctors put him on a new medication, reports femalefirst.co.uk.

He told Radio Times magazine: "I had a really weird summer. Just couldn't connect with anybody, apart from my wife.

"I didn't know how to talk to anybody, even people who are with me every day. I was isolated, in my head. It was troublesome and sad. Then I tried this anti-depressant and things have changed. The demons are quiet."

The "Party Like a Russian" singer has previously battled addictions to drugs and alcohol so insists he won't touch narcotics or booze again in the future.

"I definitely can't drink. I definitely can't do coke. I can't do ecstasy. And I don't fancy heroin. Or M-Cat (mephedrone) or ketamine or any of those things. But maybe there's a once-a-year special voucher that I get for good behaviour. But not for any of those things. I'll leave it to your imagination," he said.