Al-Sha'bi narrated that Sayyiduna Umar and Sayyiduna Ibn Mas'ud (may Allah be pleased with them both) said: "If she chooses her husband, there is no harm, and if she chooses herself, it is one divorce, and he has the right to take her back."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 9621