Musnad Ahmad 1153:2262

Mu'awiyah ibn 'Amr narrated to us, he said: Za'idah narrated to us, from Ziyad ibn 'Alaqah, from 'Amr ibn Maymun, from 'Aishah: "That the Messenger of Allah, peace and blessings of Allah be upon him, used to kiss while he was fasting."