Winehouse was charged with assault last week for allegedly attacking a fan at a London party in September. The singer is due in court next week.
Being charged with a crime often makes it difficult for people to get U.S. visas.
Winehouse's battles with addiction and frequent run-ins with the law have been highly publicized.
Last year, the U.S. government declined to give her a visa to attend the Grammy awards. The decision was reversed but too late for her to go.
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