The model Naomi Campbell traded the catwalk for community service in New York but still made sure not to disappoint the paparazzi. She wore sunglasses and stilettoes and carried her less fashionable working shoes to the sanitation garage where she is required to mop floors as punishment for hitting her maid on the head with a mobile phone. The 36-year-old model is being allowed to do her cleaning duties behind closed doors to avoid a media scrum. But her temporary bosses say the workload will still be tough.