Alqamah (may Allah have mercy on him) said that Sayyidah Aishah (may Allah be pleased with her) was asked about kissing for the fasting person, and she said: The Messenger of Allah (peace and blessings be upon him) used to kiss while fasting, and he was in control of his desire.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الصيام / 8097