FLORENCE, Italy — Amanda Knox will seek to finally clear her name and beat a 16-year-old slander conviction on Wednesday when she appears in an Italian courtroom for the first time in over a decade.

Knox, wearing a pink dress and accompanied by her husband, Christopher Robinson, and her legal team, entered the courtroom in the Italian city of Florence early Wednesday for a retrial of the charge that she accused a Congolese bar owner of taking part in the murder. 

Knox, 36, who made…