Musnad Abu Ya'la al-Mawsili 117:231

Zuhayr narrated to us, Affan narrated to us, Hammad narrated to us, Thabit informed us, from Anas, that the Messenger of Allah (may Allah bless him and grant him peace) said: "I entered Paradise and heard a rustling sound. I said: 'What is this rustling sound?' It was said: 'It is al-Rumaysa bint Milhan.'"