The 19-year-old has signed a five-year contract with Roma after the Serie A side reached an agreement with Ajax
Justin Kluivert has joined Roma from Ajax in a deal worth an initial €17.25 million (£15m/$20m).
The 19-year-old's departure from Ajax had been imminent for some time after he rejected a contract offer and criticised the club in an interview in May.
The Netherlands international had been linked with a number of top clubs, but Roma soon became the frontrunners as they entered talks with the winger.
The Serie A side have now reached an agreement with Ajax and confirmed the signing of Kluivert on a five-year deal.