Musnad Abu Ya'la al-Mawsili 149:72

'Abd al-A'la narrated to us, 'Umar ibn 'Ali narrated to us, Hisham ibn 'Urwah narrated to us, from his father, from 'A'ishah, who said: "The Messenger of Allah (may Allah bless him and grant him peace) would kiss some of his wives while he was fasting." Then she laughed.