Bullock must have decided it's time to ditch the good girl image after 20 years.
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With her sense of humour and friendly smile, Sandra Bullock is normally described as America's Sweetheart. But the actress dropped her sweet as pie persona - and her clothes - as she turned nasty in a skit for the new series of late night talk show Chelsea Lately. Appearing to be naked, the 48-year-old 'interrupted' Chelsea Handler in the staff showers and proceeded to chide the TV host over her show.