Amy Winehouse did her best to get the party started at the Ray-Ban Colorize launch held at Selfridges yesterday.
The singer - who is back in town after an extended break in Saint Lucia - wasn't hard to spot in the crowd as she launched herself at pal Nick Grimshaw to pose for photographers.
While other guests quietly sipped beer, fidgety Amy drew more attention to herself by bizarrely biting her fingers and sucking her thumb.
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Her bid for a quiet life doesn't seem to have lasted long...
See more of Amy larking about at the event below



























