Amazon CEO Jeff Bezos and his wife MacKenzie are getting divorced after twenty-five years of marriage. <br />The pair made the announcement on Twitter on Wednesday, saying they will remain friends. <br />The move could potentially lead to the largest divorce settlement in history. <br />The Amazon chief's estimated net worth is reproted to be about 137 billion dollars. <br />Half of that money could be handed over to Mackenzie under Washington state law. <br />