Bluefly Inc, an Internet retailer of designer fashions and home furnishings ( www.bluefly.com ), announced today that it has signed a definitive agreement with Soros Private Equity Partners under which affiliates of Soros would invest up to an additional $15m in the company. In connection with the signing of the agreement, Soros provided the company with a $5m tranche of the financing in the form of a loan, which would convert into preferred stock following the receipt of shareholder approval.