Amy Winehouse reportedly returned to rehab last night. The 'Rehab' singer agreed to go back to the Causeway clinic on the condition her husband Blake Fielder-Civil was allowed to join her.

But Amy - who checked into the Essex facility after a drug overdose last week - delayed her return to go to her favorite pubs in north London. Amy and Blake's impromptu drinking session, included brief visits to three different public houses.

The troubled star - who was due to fly to the clinic by helicopter with Blake - had only checked out of rehab on Wednesday.

Amy, who looks worryingly gaunt and thin, attempted to quell concerns about her, saying: "I've put on a stone, I feel fine."

Blake added to Britain's The Sun newspaper: "It's been a difficult time for me and Amy but we're still together. We are going back to the retreat."

Amy's problems have forced her to cancel her entire European tour. Her manager announced that due to "health issues" she will miss this weekend's two-day V Festival in Essex and Staffordshire, as well as a 25-date tour of Europe due to start next month.

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