Sayyiduna Abdullah bin Abbas (may Allah be pleased with him) said: In the Jahiliyyah a woman would perform tawaf of the House naked, placing a piece of cloth over her private parts, and she would say: "Today some or all of it will appear, and whatever appears of it, I do not make it lawful."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 9310