Amy Winehouse WinehousePleadsBlog.jpgStill in the process of getting her life together, Amy Winehouse pleaded not guilty on Monday to punching a fan at a party last year.

The troubled singer, who's been trying to ditch a drug habit in the Caribbean for the last couple of months, showed up at the London courtroom to enter the plea.

She's accused of attacking a fan who tried to take her picture at a charity event.

Winehouse was ordered to stand trial in July.